• MVCMediator -- Easy to use, powerful MVC type framework mainly for client side applications. Advanced data and command binding to Swing components
• OpenXava -- Framework to develop JavaEE / J2EE applications rapidly and easily. Allows to define applications just with POJOs, JPA and Java 5 annotations. Feature rich and flexible. Generates JSR-168 portlet applications.
• PicoContainer -- an open source lightweight container. Another dependency injection (IOC) framework.

• QUASAR Persistence -- Another open source object/relational persistence layer framework developed and managed by sd&m, a German software company.
• Restlet -- Ligthweight REST framework
• RIFE -- RIFE offers an alternative approach to comfortable and fast web application development. It has been designed for perfect separation of tasks during a development cycle. It consists out of a large collection of sub-frameworks like: web engine with integrated web continuations, customizable multi-format template engine (html, xml, sql, java, txt, ...) with support for transformations, content management framework, authentication framework, persistence layer with query builders and fault-tolerant JDBC wrappers and connection pooling, scheduler, configuration framework, application lifecycle management, ... and much more.

• iText - a free Java-PDF library that can be used to create/manipulate PDF files on the fly.
• jKilavuz - A path engine for Java. Consists of an extensible set of tools for collecting pathfind data and finding and executing paths. jKilavuz is targeted but not limited to Java games development.
• IAIK Crypto Toolkits - Comprehensive set of crypto libraries for the Java platform (JCA/JCE provider, ECC, PKI, X.509, PKCS, SSL/TLS, CMS, S/MIME, XML Security, Embedded Security...)

XML Libraries

• yFiles -- An extensive class library for visualizing and automatically laying out diagrams, graphs, and networks. Commercial.
• iText - a free Java-PDF library that can be used to create/manipulate PDF files on the fly.
• jKilavuz - A path engine for Java. Consists of an extensible set of tools for collecting pathfind data and finding and executing paths. jKilavuz is targeted but not limited to Java games development.

XML Libraries

• Merlin -- A revolutionary approach to create high usability input user interfaces at runtime without code or design directly from the object model.
• Millstone -- Millstone is an open source user interface library for development of networked Java applications. It provides a terminal independent component model that can be adapted to different terminal types and user interface themes.
• MVCMediator -- Easy to use, powerful MVC type framework mainly for client side applications. Advanced data and command binding to Swing components

• PicoContainer -- an open source lightweight container. Another dependency injection (IOC) framework.
• QUASAR Persistence -- Another open source object/relational persistence layer framework developed and managed by sd&m, a German software company.
• Restlet -- Ligthweight REST framework

• Xerces2 is the next generation of high performance, fully compliant XML parsers in the Apache Xerces family. This new version of Xerces introduces the Xerces Native Interface (XNI), a complete framework for building parser components and configurations that is extremely modular and easy to program.
• Javolution provides real-time xml parsing avoiding dynamic object creation (several times faster than conventional xml parsing).

Sciences Libraries

Frameworks:

• Abbot -- extends JUnit to drive GUIs (AWT/Swing/SWT) automatically for testing or demos.

• ATCT -- Asynchronous Transfer of Control Threading is a pure J2SE and J2EE Java framework, aiding the rapid development of software for complex distributed processes.
• Batik -- a toolkit for applications or applets that want to use images in the Scalable Vector Graphics (SVG) format for various purposes, such as viewing, generation or manipulation.
• CaJo -- a library for distrubuted collaborative application development. If features: mobile code, internationalization, distributed graphical user interfaces, and more. All is a small, powerful, and easily understood class library.

• xlSQL Excel JDBC Driver -- Generic Document JDBC Driver for Excel, CSV, XML and DBF.
• yFiles -- An extensive class library for visualizing and automatically laying out diagrams, graphs, and networks. Commercial.
• iText - a free Java-PDF library that can be used to create/manipulate PDF files on the fly.

XML Libraries

• Flux - A Java job scheduler, file transfer engine, workflow engine, and business process management (BPM) engine
• Glazed Lists -- A toolkit for list transformations. A class library for adding sorting and filtering to a JTable
• Jackcess -- A pure Java library for reading and writing MS Access databases

• java-synaptics -- allows Java applications access to Synaptics Touchpad properties like finger motion/position and touchpad button presses
• jclasslib -- a class library for reading, modifying and writing Java class files and bytecode.
• JET API - provides access to the IBM 3270 datastream.

• Flux - A Java job scheduler, file transfer engine, workflow engine, and business process management (BPM) engine
• Glazed Lists -- A toolkit for list transformations. A class library for adding sorting and filtering to a JTable
• Jackcess -- A pure Java library for reading and writing MS Access databases

• java-synaptics -- allows Java applications access to Synaptics Touchpad properties like finger motion/position and touchpad button presses
• jclasslib -- a class library for reading, modifying and writing Java class files and bytecode.
• JET API - provides access to the IBM 3270 datastream.

Libraries:

• .useful -- a library for array search and Swing JTree and tree node operation.

• AOLIMLibraries -- libraries for AOL's Instant Messenger service
• Just Forms PDF library -- A Java class library for filling or editing interactive PDF forms. (Commercial)
• Big Faceless Graph library -- a class library for creating Graphs and Charts. (Commercial)

• Flux - A Java job scheduler, file transfer engine, workflow engine, and business process management (BPM) engine
• Glazed Lists -- A toolkit for list transformations. A class library for adding sorting and filtering to a JTable
• Jackcess -- A pure Java library for reading and writing MS Access databases

• java-synaptics -- allows Java applications access to Synaptics Touchpad properties like finger motion/position and touchpad button presses
• jclasslib -- a class library for reading, modifying and writing Java class files and bytecode.
• JET API - provides access to the IBM 3270 datastream.

• Hibernate -- a powerful, open source, ultra-high performance object/relational persistence layer framework.
• i-net Crystal-Clear -- a powerful Java reporting solution, an easy to use report template designer, many different row sources, many different output formats.
• Ibatis -- an easy to use open source persistence layer framework.

• JFraCE -- a Java Framework for Computer Emulation.
• JGoodies -- This is a wonderful, comprehensive UI framework, including custom look and feels, form layout and other tools. Highly recommended to get beautiful Java applications painlessly.
• JPublish -- an open source web publishing and application framework.

• MVCMediator -- Easy to use, powerful MVC type framework mainly for client side applications. Advanced data and command binding to Swing components
• PicoContainer -- an open source lightweight container. Another dependency injection (IOC) framework.
• QUASAR Persistence -- Another open source object/relational persistence layer framework developed and managed by sd&m, a German software company.

• RIFE -- RIFE offers an alternative approach to comfortable and fast web application development. It has been designed for perfect separation of tasks during a development cycle. It consists out of a large collection of sub-frameworks like: web engine with integrated web continuations, customizable multi-format template engine (html, xml, sql, java, txt, ...) with support for transformations, content management framework, authentication framework, persistence layer with query builders and fault-tolerant JDBC wrappers and connection pooling, scheduler, configuration framework, application lifecycle management, ... and much more.
• Seasar -- an open source framework using Dependency Injection and AOP with various plugins such as JCA, Hibernate, Struts, JSF, and Flash player support.
• Seppia -- an open source framework to build applications glueing together java libraries with javascript.

• Big Faceless PDF library -- a class library for creating and editing PDF documents. (Commercial)
• Flux - A Java job scheduler, file transfer engine, workflow engine, and business process management (BPM) engine
• Glazed Lists -- A toolkit for list transformations. A class library for adding sorting and filtering to a JTable

• JakartaCommons -- provides a host of helper utilities for the java.lang API, notably String manipulation methods, basic numerical methods, object reflection, creation and serialization, and System properties.
• java-synaptics -- allows Java applications access to Synaptics Touchpad properties like finger motion/position and touchpad button presses
• jclasslib -- a class library for reading, modifying and writing Java class files and bytecode.

• SDLJava -- SDLJava is a complete binding to SDL. Full support for access to audio, keyboard, mouse, joystick, the 2D framebuffer and 3D hardware is provided. In addition, SDLJava also provides native bindings to OpenGL (via GLEW) and FTGL.

• GTGE (Golden T Game Engine) -- GTGE is an advanced cross-platform game programming library. The GTGE library provides complete support for making 2D games from low level routines, utilising hardware accelerated 2D graphics, mouse and keyboard input, audio, and game timing to game specific routines such as sprite, background and collision detection.

JSP Tag Libraries:

• JET API - provides access to the IBM 3270 datastream.
• JFreeChart -- a class library for generating charts.
• jga -- an adaptation of STL that stays true to common java idioms.

• JLicense -- utility library for creating and validating license keys.
• Joda-Time -- quality replacement for the JDK Date and Calendar classes.
• Jofti -- A library for transparently indexing and querying objects in a Java caching layer.

• Log4J -- logging library similar to the J2SE Logging API (1.4+) but with more tools
• NoExceptions -- an exception-handling library for Java applications.
• ObjectDB for Java/JDO -- an object database for Java written in pure Java.

• Quaqua Look and Feel -- an extension to Apple's Swing Look and Feel of the Aqua Human Interface on MacOSX
• QuickTimeForJava -- Java API to access the native QuickTime media API on MacOSX and Windows
• SDL (Simple Declarative Language) -- The Simple Declarative Language provides an easy way to describe lists, maps, and trees of typed data in a compact, easy to read representation.

• SmallSQL -- a relational database written in pure Java.
• VNet -- utility classes including an XML generator and a simple editor.
• TrueZIP -- A simple library for transparent access to ZIP files using extended File/FileInputStream/FileOutputStream classes.

• WebCharts3D -- a class library and designer for adding interactive charts to Swing and JSP based (PNG, PDF, SVG, SWF, JPEG) web applications.
• Windward Reports -- A reporting system that uses Word (or any word processor) to design the report so there is no learning curve. (Commercial)
• xlSQL Excel JDBC Driver -- Generic Document JDBC Driver for Excel, CSV, XML and DBF.

• Kanabos - Event Driven Objects for Distributed Computing.
• Keel -- An IOC container based services and MVC framework, with ready-to-run applications. Integrates and allows switching of best-of-breed OSS frameworks like Struts/Cocoon/Webwork2/Velocity/Axis on the view/controller layer to JMS, JAAS, JDO, Hibernate, Quartz, BSF, Aspectwerkz and others at the services/persistence layer.
• Lazlo Platform -- an open source, XML-native platform for developing rich Internet applications (it generates Flash swf) that run in any modern Web browser. It is similar to Macromedia's FLEX minus the 12k per cpu charge. It's also good to note that the Flash format itself (.swf) has open public specs: http://www.openswf.org/.

• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Merlin -- A revolutionary approach to create high usability input user interfaces at runtime without code or design directly from the object model.
• Millstone -- Millstone is an open source user interface library for development of networked Java applications. It provides a terminal independent component model that can be adapted to different terminal types and user interface themes.

• PicoContainer -- an open source lightweight container. Another dependency injection (IOC) framework.
• QUASAR Persistence -- Another open source object/relational persistence layer framework developed and managed by sd&m, a German software company.
• RIFE -- RIFE offers an alternative approach to comfortable and fast web application development. It has been designed for perfect separation of tasks during a development cycle. It consists out of a large collection of sub-frameworks like: web engine with integrated web continuations, customizable multi-format template engine (html, xml, sql, java, txt, ...) with support for transformations, content management framework, authentication framework, persistence layer with query builders and fault-tolerant JDBC wrappers and connection pooling, scheduler, configuration framework, application lifecycle management, ... and much more.

• Seppia -- an open source framework to build applications glueing together java libraries with javascript.
• SLIDE -- Slide is an open source content repository which can serve as a basis for a content management system / framework (Projector) and other purposes. It has full WebDAV support. Note: documentation is very weak.
• Spring -- an open source framework that gives applications a lot of flexibility (in switching view and model layers) using Dependency Injection (Inversion of Control) in addition to features like AOP and its own 'MVC' similar to Struts.

FrameworksAndLibraries

Libraries:

• AOLIMLibraries -- libraries for AOL's Instant Messenger service
• Just Forms PDF library -- A Java class library for filling or editing interactive PDF forms. (Commercial)
• Big Faceless Graph library -- a class library for creating Graphs and Charts. (Commercial)

• VNet -- utility classes including an XML generator and a simple editor.
• TrueZIP -- A simple library for transparent access to ZIP files using extended File/FileInputStream/FileOutputStream classes.
• WebCharts3D -- a class library and designer for adding interactive charts to Swing and JSP based (PNG, PDF, SVG, SWF, JPEG) web applications.

• xlSQL Excel JDBC Driver -- Generic Document JDBC Driver for Excel, CSV, XML and DBF.
• yFiles -- An extensive class library for visualizing and automatically laying out diagrams, graphs, and networks. Commercial.
• iText - a free Java-PDF library that can be used to create/manipulate PDF files on the fly.

• JSP Tag Library Repository Wiki on java.net -- List of commonly used JSP tag libraries and their corresponding documentation. Please add your JSP tag libraries here!
• Coldtags suite -- The largest collection of custom JSP tags.

• xulfaces - a free render kit for XUL (check live demo on project home).Bring a richer experience to your end user with JSF and extensions (facelets).

• JSP Tag Library Repository Wiki on java.net -- List of commonly used JSP tag libraries and their corresponding documentation. Please add your JSP tag libraries here!
• Coldtags suite -- The largest collection of custom JSP tags.

Frameworks:

• WebCharts3D -- a class library and designer for adding interactive charts to Swing and JSP based (PNG, PDF, SVG, SWF, JPEG) web applications.
• xlSQL Excel JDBC Driver -- Generic Document JDBC Driver for Excel, CSV, XML and DBF.
• yFiles -- An extensive class library for visualizing and automatically laying out diagrams, graphs, and networks. Commercial.

XML Libraries

• Just Forms PDF library -- A Java class library for filling or editing interactive PDF forms. (Commercial)
• Big Faceless Graph library -- a class library for creating Graphs and Charts. (Commercial)
• Big Faceless PDF library -- a class library for creating and editing PDF documents. (Commercial)

• Glazed Lists -- A toolkit for list transformations. A class library for adding sorting and filtering to a JTable
• JakartaCommons -- provides a host of helper utilities for the java.lang API, notably String manipulation methods, basic numerical methods, object reflection, creation and serialization, and System properties.
• java-synaptics -- allows Java applications access to Synaptics Touchpad properties like finger motion/position and touchpad button presses

FrameworksAndLibraries

Libraries:

• .useful -- a library for array search and tree node operation.
• AOLIMLibraries -- libraries for AOL's Instant Messenger service
• Just Forms PDF library -- A Java class library for filling or editing interactive PDF forms. (Commercial)

XML Libraries

• Xerces2 is the next generation of high performance, fully compliant XML parsers in the Apache Xerces family. This new version of Xerces introduces the Xerces Native Interface (XNI), a complete framework for building parser components and configurations that is extremely modular and easy to program.

• JFormula - is a library for evaluating various mathematical expressions. User can evaluate instantly a string setting variables, adding its own functions or operators.

Game Development Libraries

• Keel -- An IOC container based services and MVC framework, with ready-to-run applications. Integrates and allows switching of best-of-breed OSS frameworks like Struts/Cocoon/Webwork2/Velocity/Axis on the view/controller layer to JMS, JAAS, JDO, Hibernate, Quartz, BSF, Aspectwerkz and others at the services/persistence layer.
• Lazlo Platform -- an open source, XML-native platform for developing rich Internet applications (it generates Flash swf) that run in any modern Web browser. It is similar to Macromedia's FLEX minus the 12k per cpu charge. It's also good to note that the Flash format itself (.swf) has open public specs: http://www.openswf.org/.
• Melati -- an open source framework for generating Persistent Objects and building web applications.

• Millstone -- Millstone is an open source user interface library for development of networked Java applications. It provides a terminal independent component model that can be adapted to different terminal types and user interface themes.
• MVCMediator -- Easy to use, powerful MVC type framework mainly for client side applications. Advanced data and command binding to Swing components
• PicoContainer -- an open source lightweight container. Another dependency injection (IOC) framework.

• XUI -- An open source framework for creating Swing and AWT applications from Java and XML, includes MVC, data binding and event management
• XWork -- XWork is a true generic controller framework. It has dependency injection (IOC), a powerful expression language, data type conversion, validation, and pluggable configuration.
• Wicket -- an open source web application framework that focusses on simplicity, separation of concerns and ease of development. It supports non-intrusive templating, very easy reuse (just jar you pages and panels and go) and needs no XML configuration.

• jga -- an adaptation of STL that stays true to common java idioms.
• JLicense -- utility library for creating and validating license keys.
• Joda-Time -- quality replacement for the JDK Date and Calendar classes.

• JSOS -- the largest set of Java servlets and filters.
• jtgl -- A tiny gfx/gaming library for j2me,j2se and more platforms. LGPL.
• Kataba Functions -- 100x faster reflective calls and simple functional programming. GPL/Commercial.

• Abbot -- extends JUnit to drive GUIs (AWT/Swing/SWT) automatically for testing or demos.
• ATCT -- Asynchronous Transfer of Control Threading is a pure J2SE and J2EE Java framework, aiding the rapid development of software for complex distributed processes.
• Batik -- a toolkit for applications or applets that want to use images in the Scalable Vector Graphics (SVG) format for various purposes, such as viewing, generation or manipulation.

• CaJo -- a library for distrubuted collaborative application development. If features: mobile code, internationalization, distributed graphical user interfaces, and more. All is a small, powerful, and easily understood class library.
• Carbon -- Carbon is a light-weight component model and services framework providing enterprise-quality services.
• Cayenne -- Cayenne is a full-featured open source Java Object Relational Mapping framework. One of the main Cayenne distinctions is that it comes with cross-platform modeling GUI tools. This makes Cayenne a very attractive choice over both closed source commerical products and traditional "edit your own XML" open source solutions.

• PicoContainer -- an open source lightweight container. Another dependency injection (IOC) framework.
• QUASAR Persistence -- Another open source object/relational persistence layer framework developed and managed by sd&m, a German software company.
• RIFE -- RIFE offers an alternative approach to comfortable and fast web application development. It has been designed for perfect separation of tasks during a development cycle. It consists out of a large collection of sub-frameworks like: web engine with integrated web continuations, customizable multi-format template engine (html, xml, sql, java, txt, ...) with support for transformations, content management framework, authentication framework, persistence layer with query builders and fault-tolerant JDBC wrappers and connection pooling, scheduler, configuration framework, application lifecycle management, ... and much more.

• SLIDE -- Slide is an open source content repository which can serve as a basis for a content management system / framework (Projector) and other purposes. It has full WebDAV support. Note: documentation is very weak.
• Spring -- an open source framework that gives applications a lot of flexibility (in switching view and model layers) using Dependency Injection (Inversion of Control) in addition to features like AOP and its own 'MVC' similar to Struts.
• Struts -- an open source MVC framework for building web applications.

• Simple Log -- A logging anti-framework.
• SmallSQL -- a relational database written in pure Java.
• VNet -- utility classes including an XML generator and a simple editor.

• WebCharts3D -- a class library and designer for adding interactive charts to Swing and JSP based (PNG, PDF, SVG, SWF, JPEG) web applications.
• xlSQL Excel JDBC Driver -- Generic Document JDBC Driver for Excel, CSV, XML and DBF.
• yFiles -- An extensive class library for visualizing and automatically laying out diagrams, graphs, and networks. Commercial.

• jga -- an adaptation of STL that stays true to common java idioms.
• JLicense -- utility library for creating and validating license keys.
• Joda-Time -- quality replacement for the JDK Date and Calendar classes.

• jtgl -- A tiny gfx/gaming library for j2me,j2se and more platforms. LGPL.
• Kataba Functions -- 100x faster reflective calls and simple functional programming. GPL/Commercial.
• Lava -- stream parsing, data manipulation, and text formatting (e.g. printf) classes

JSP Tag Libraries:

• JSP Tag Library Repository Wiki on java.net -- List of commonly used JSP tag libraries and their corresponding documentation. Please add your JSP tag libraries here!

Frameworks:

• ObjectDB for Java/JDO -- an object database for Java written in pure Java.
• Quaqua Look and Feel -- an extension to Apple's Swing Look and Feel of the Aqua Human Interface on MacOSX
• QuickTimeForJava -- Java API to access the native QuickTime media API on MacOSX and Windows

• Simple Log -- A logging anti-framework.
• SmallSQL -- a relational database written in pure Java.
• VNet -- utility classes including an XML generator and a simple editor.

• JFormula - is a library for evaluating various mathematical expressions. User can evaluate instantly a string setting variables, adding its own functions or operators.

JSP Tag Libraries:

• JSP Tag Library Repository Wiki on java.net -- List of commonly used JSP tag libraries and their corresponding documentation. Please add your JSP tag libraries here!

• Quaqua Look and Feel -- an extension to Apple's Swing Look and Feel of the Aqua Human Interface on MacOSX
• QuickTimeForJava -- Java API to access the native QuickTime media API on MacOSX and Windows
• Simple Log -- A logging anti-framework.

• VNet -- utility classes including an XML generator and a simple editor.
• WebCharts3D -- a class library and designer for adding interactive charts to Swing and JSP based (PNG, PDF, SVG, SWF, JPEG) web applications.
• xlSQL Excel JDBC Driver -- Generic Document JDBC Driver for Excel, CSV, XML and DBF.

• Cayenne -- Cayenne is a full-featured open source Java Object Relational Mapping framework. One of the main Cayenne distinctions is that it comes with cross-platform modeling GUI tools. This makes Cayenne a very attractive choice over both closed source commerical products and traditional "edit your own XML" open source solutions.
• Common-Controls -- Java™ Presentation Framework based on Java Servlets, Java Serverpages (JSP™) and Apache Struts. The Presentation Framework contains the most common control elements like lists, trees, tabfolders, menus and forms, which are required for the development of J2EE™ applications with HTML frontends.
• Discorso -- a Java based framework that enables the rapid development and deployment of applications that support complex collaborative business processes.

• Expresso -- most popular open source architectural framework, extends Struts -- lower costs and speed your application development; integrates with Jcorporate's collaborative community software.
• Hibernate -- a powerful, open source, ultra-high performance object/relational persistence layer framework.

• Ibatis -- an easy to use open source persistence layer framework.
• JForm -- JForm is a framework for building form-based user interfaces with Swing. It provides a library of Swing components that supports automatic databinding and validation.

• JGoodies -- This is a wonderful, comprehensive UI framework, including custom look and feels, form layout and other tools. Highly recommended to get beautiful Java applications painlessly.
• JPublish -- an open source web publishing and application framework.
• JUnit -- a popular open-source unit-testing framework.

• xlSQL Excel JDBC Driver -- Generic Document JDBC Driver for Excel, CSV, XML and DBF.
• yFiles -- An extensive class library for visualizing and automatically laying out diagrams, graphs, and networks. Commercial.

JSP Tag Libraries:

• JSP Tag Library Repository Wiki on java.net -- List of commonly used JSP tag libraries and their corresponding documentation. Please add your JSP tag libraries here!

• Wi.Ser -- Wi.Ser is a Java/XML server-side GUI-framework which enables an application to run as either a monolithic Swing application, a thin-client/server Swing application, or as a Web application without any change!
• XUI -- An open source framework for creating Swing and AWT applications from Java and XML, includes MVC, data binding and event management
• XWork -- XWork is a true generic controller framework. It has dependency injection (IOC), a powerful expression language, data type conversion, validation, and pluggable configuration.

• JFreeChart -- a class library for generating charts.
• jga -- an adaptation of STL that stays true to common java idioms.
• JLicense -- utility library for creating and validating license keys.

• jtgl -- A tiny gfx/gaming library for j2me,j2se and more platforms. LGPL.
• Kataba Functions -- 100x faster reflective calls and simple functional programming. GPL/Commercial.
• Lava -- stream parsing, data manipulation, and text formatting (e.g. printf) classes

• Log4J -- logging library similar to the J2SE Logging API (1.4+) but with more tools
• NoExceptions -- an exception-handling library for Java applications.
• ObjectDB for Java/JDO -- an object database for Java written in pure Java.

• Abbot -- extends JUnit to drive GUIs (AWT/Swing/SWT) automatically for testing or demos.
• ATCT -- Asynchronous Transfer of Control Threading is a pure J2SE and J2EE Java framework, aiding the rapid development of software for complex distributed processes.
• Batik -- a toolkit for applications or applets that want to use images in the Scalable Vector Graphics (SVG) format for various purposes, such as viewing, generation or manipulation.

• CaJo -- a library for distrubuted collaborative application development. If features: mobile code, internationalization, distributed graphical user interfaces, and more. All is a small, powerful, and easily understood class library.
• Carbon -- Carbon is a light-weight component model and services framework providing enterprise-quality services.
• Cayenne -- Cayenne is a full-featured open source Java Object Relational Mapping framework. One of the main Cayenne distinctions is that it comes with cross-platform modeling GUI tools. This makes Cayenne a very attractive choice over both closed source commerical products and traditional "edit your own XML" open source solutions.

• ObjectDB for Java/JDO -- an object database for Java written in pure Java.
• Quaqua Look and Feel -- an extension to Apple's Swing Look and Feel of the Aqua Human Interface on MacOSX
• QuickTimeForJava -- Java API to access the native QuickTime media API on MacOSX and Windows

• VNet -- utility classes including an XML generator and a simple editor.
• WebCharts3D -- a class library and designer for adding interactive charts to Swing and JSP based (PNG, PDF, SVG, SWF, JPEG) web applications.
• xlSQL Excel JDBC Driver -- Generic Document JDBC Driver for Excel, CSV, XML and DBF.

• Lava -- stream parsing, data manipulation, and text formatting (e.g. printf) classes
• Log4J -- logging library similar to the J2SE Logging API (1.4+) but with more tools
• NoExceptions -- an exception-handling library for Java applications.

• Quaqua Look and Feel -- an extension to Apple's Swing Look and Feel of the Aqua Human Interface on MacOSX
• QuickTimeForJava -- Java API to access the native QuickTime media API on MacOSX and Windows
• VNet -- utility classes including an XML generator and a simple editor.

Libraries:

• .useful -- a library for array search and tree node operation.
• AOLIMLibraries -- libraries for AOL's Instant Messenger service

• Big Faceless Graph library -- a class library for creating Graphs and Charts. (Commercial)
• Big Faceless PDF library -- a class library for creating and editing PDF documents. (Commercial)
• Glazed Lists -- A toolkit for list transformations. A class library for adding sorting and filtering to a JTable

• Lava -- stream parsing, data manipulation, and text formatting (e.g. printf) classes
• Log4J -- logging library similar to the J2SE Logging API (1.4+) but with more tools
• NoExceptions -- an exception-handling library for Java applications.

• QuickTimeForJava -- Java API to access the native QuickTime media API on MacOSX and Windows
• VNet -- utility classes including an XML generator and a simple editor.
• WebCharts3D -- a class library and designer for adding interactive charts to Swing and JSP based (PNG, PDF, SVG, SWF, JPEG) web applications.

• JGoodies -- This is a wonderful, comprehensive UI framework, including custom look and feels, form layout and other tools. Highly recommended to get beautiful Java applications painlessly.
• JPublish -- an open source web publishing and application framework.
• JUnit -- a popular open-source unit-testing framework.

• Keel -- An IOC container based services and MVC framework, with ready-to-run applications. Integrates and allows switching of best-of-breed OSS frameworks like Struts/Cocoon/Webwork2/Velocity/Axis on the view/controller layer to JMS, JAAS, JDO, Hibernate, Quartz, BSF, Aspectwerkz and others at the services/persistence layer.
• Lazlo Platform -- an open source, XML-native platform for developing rich Internet applications (it generates Flash swf) that run in any modern Web browser. It is similar to Macromedia's FLEX minus the 12k per cpu charge. It's also good to note that the Flash format itself (.swf) has open public specs: http://www.openswf.org/.
• Melati -- an open source framework for generating Persistent Objects and building web applications.

• JFreeChart -- a class library for generating charts.
• jga -- an adaptation of STL that stays true to common java idioms.
• JLicense -- utility library for creating and validating license keys.

• Kataba Functions -- 100x faster reflective calls and simple functional programming. GPL/Commercial.
• Lava -- stream parsing, data manipulation, and text formatting (e.g. printf) classes

• NoExceptions -- an exception-handling library for Java applications.

• VNet -- utility classes including an XML generator and a simple editor.
• WebCharts3D -- a class library and designer for adding interactive charts to Swing and JSP based (PNG, PDF, SVG, SWF, JPEG) web applications.
• xlSQL Excel JDBC Driver -- Generic Document JDBC Driver for Excel, CSV, XML and DBF.

• yFiles -- An extensive class library for visualizing and automatically laying out diagrams, graphs, and networks. Commercial.

• CaJo -- a library for distrubuted collaborative application development. If features: mobile code, internationalization, distributed graphical user interfaces, and more. All is a small, powerful, and easily understood class library.
• Carbon -- Carbon is a light-weight component model and services framework providing enterprise-quality services.
• Cayenne -- Cayenne is a full-featured open source Java Object Relational Mapping framework. One of the main Cayenne distinctions is that it comes with cross-platform modeling GUI tools. This makes Cayenne a very attractive choice over both closed source commerical products and traditional "edit your own XML" open source solutions.

• Discorso -- a Java based framework that enables the rapid development and deployment of applications that support complex collaborative business processes.
• JFraCE -- a Java Framework for Computer Emulation.
• Expresso -- most popular open source architectural framework, extends Struts -- lower costs and speed your application development; integrates with Jcorporate's collaborative community software.
• Hibernate -- a powerful, open source, ultra-high performance object/relational persistence layer framework.

• Ibatis -- an easy to use open source persistence layer framework.

• JPublish -- an open source web publishing and application framework.
• JUnit -- a popular open-source unit-testing framework.
• Keel -- An IOC container based services and MVC framework, with ready-to-run applications. Integrates and allows switching of best-of-breed OSS frameworks like Struts/Cocoon/Webwork2/Velocity/Axis on the view/controller layer to JMS, JAAS, JDO, Hibernate, Quartz, BSF, Aspectwerkz and others at the services/persistence layer.
• Lazlo Platform -- an open source, XML-native platform for developing rich Internet applications (it generates Flash swf) that run in any modern Web browser. It is similar to Macromedia's FLEX minus the 12k per cpu charge. It's also good to note that the Flash format itself (.swf) has open public specs: http://www.openswf.org/.

• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Millstone -- Millstone is an open source user interface library for development of networked Java applications. It provides a terminal independent component model that can be adapted to different terminal types and user interface themes.

• RIFE -- RIFE offers an alternative approach to comfortable and fast web application development. It has been designed for perfect separation of tasks during a development cycle. It consists out of a large collection of sub-frameworks like: web engine with integrated web continuations, customizable multi-format template engine (html, xml, sql, java, txt, ...) with support for transformations, content management framework, authentication framework, persistence layer with query builders and fault-tolerant JDBC wrappers and connection pooling, scheduler, configuration framework, application lifecycle management, ... and much more.
• SLIDE -- Slide is an open source content repository which can serve as a basis for a content management system / framework (Projector) and other purposes. It has full WebDAV support. Note: documentation is very weak.
• Spring -- an open source framework that gives applications a lot of flexibility (in switching view and model layers) using Dependency Injection (Inversion of Control) in addition to features like AOP and its own 'MVC' similar to Struts.
• Struts -- an open source MVC framework for building web applications.

• Tapestry -- an open source web application framework very much unlike most other frameworks in that it doesn't use code generation and thoroughly separates presentation layer from business logic.

• WebWork -- a open source web application framework for J2EE. It is based on a concept called "Pull HMVC" Pull Hierarchical Model View Controller). It supports an arrange of view technologies - XSLT, JSP, Velocity, Applet, Jasper Reports, and more. New version webwork2 add more features.
• web4j -- both a simple, effective framework and an example application. Use for creating small- and medium-sized web applications. Includes sample deployment, javadoc with links to syntax-highlighted source code, and a zip file of the development directory (includes source). Here is an overview. Assists in building both front-end and back-end.

• Wi.Ser -- Wi.Ser is a Java/XML server-side GUI-framework which enables an application to run as either a monolithic Swing application, a thin-client/server Swing application, or as a Web application without any change!

• JFraCE -- a Java Framework for Computer Emulation.
• Expresso -- most popular open source architectural framework, extends Struts -- lower costs and speed your application development; integrates with Jcorporate's collaborative community software.
• Hibernate -- a powerful, open source, ultra-high performance object/relational persistence layer framework.

• Ibatis -- an easy to use open source persistence layer framework.
• JPublish -- an open source web publishing and application framework.
• JUnit -- a popular open-source unit-testing framework.

• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Millstone -- Millstone is an open source user interface library for development of networked Java applications. It provides a terminal independent component model that can be adapted to different terminal types and user interface themes.
• RIFE -- RIFE offers an alternative approach to comfortable and fast web application development. It has been designed for perfect separation of tasks during a development cycle. It consists out of a large collection of sub-frameworks like: web engine with integrated web continuations, customizable multi-format template engine (html, xml, sql, java, txt, ...) with support for transformations, content management framework, authentication framework, persistence layer with query builders and fault-tolerant JDBC wrappers and connection pooling, scheduler, configuration framework, application lifecycle management, ... and much more.

• Struts -- an open source MVC framework for building web applications.
• PicoContainer -- an open source lightweight container.
• Tapestry -- an open source web application framework very much unlike most other frameworks in that it doesn't use code generation and thoroughly separates presentation layer from business logic.

• WebCharts3D -- a class library and designer for adding interactive charts to Swing and JSP based (PNG, PDF, SVG, SWF, JPEG) web applications.
• xlSQL Excel JDBC Driver -- Generic Document JDBC Driver for Excel, CSV, XML and DBF.
• jtgl -- A tiny gfx/gaming library for j2me,j2se and more platforms. LGPL.

JSP Tag Libraries:

• JSP Tag Library Repository Wiki on java.net -- List of commonly used JSP tag libraries and their corresponding documentation. Please add your JSP tag libraries here!

• XUI -- An open source framework for creating Swing and AWT applications from Java and XML, includes MVC, data binding and event management
• JForm -- JForm is a framework for building form-based user interfaces with Swing. It provides a library of Swing components that supports automatic databinding and validation.

See also *WebDevelopmentFrameworks.

• Log4J -- logging framework similar to the J2SE Logging API (1.4+) but with more tools
• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Millstone -- Millstone is an open source user interface library for development of networked Java applications. It provides a terminal independent component model that can be adapted to different terminal types and user interface themes.

• Spring -- an open source framework that gives applications a lot of flexibility (in switching view and model layers) using Dependency Injection (Inversion of Control) in addition to features like AOP and its own 'MVC' similar to Struts. It is the ideal control layer framework.
• Struts -- an open source MVC framework for building web applications.
• PicoContainer -- an open source lightweight container.
• Tapestry -- an open source web application framework very much unlike most other frameworks in that it doesn't use code generation and thoroughly separates presentation layer from business logic.
• Common-Controls -- Java™ Presentation Framework based on Java Servlets, Java Serverpages (JSP™) and Apache Struts. The Presentation Framework contains the most common control elements like lists, trees, tabfolders, menus and forms, which are required for the development of J2EE™ applications with HTML frontends.

• WebWork -- a open source web application framework for J2EE. It is based on a concept called "Pull HMVC" Pull Hierarchical Model View Controller). It supports an arrange of view technologies - XSLT, JSP, Velocity, Applet, Jasper Reports, and more. New version webwork2 add more features.
• web4j -- both a simple, effective framework and an example application. Use for creating small- and medium-sized web applications. Includes sample deployment, javadoc with links to syntax-highlighted source code, and a zip file of the development directory (includes source). Here is an overview. Assists in building both front-end and back-end.
• JGoodies -- This is a wonderful, comprehensive UI framework, including custom look and feels, form layout and other tools. Highly recommended to get beautiful Java applications painlessly.

• AOLIMLibraries -- libraries for AOL's Instant Messenger service
• Big Faceless Graph library -- a class library for creating Graphs and Charts. (Commercial)
• Big Faceless PDF library -- a class library for creating and editing PDF documents. (Commercial)

• JakartaCommons -- provides a host of helper utilities for the java.lang API, notably String manipulation methods, basic numerical methods, object reflection, creation and serialization, and System properties.
• java-synaptics -- allows Java applications access to Synaptics Touchpad properties like finger motion/position and touchpad button presses
• jclasslib -- a class library for reading, modifying and writing Java class files and bytecode.

• Discorso -- a Java based framework that enables the rapid development and deployment of applications that support complex collaborative business processes.
• JFraCE -- a Java Framework for Computer Emulation.
• Expresso -- most popular open source architectural framework, extends Struts -- lower costs and speed your application development; integrates with Jcorporate's collaborative community software.

• JPublish -- an open source web publishing and application framework.
• JUnit -- a popular open-source unit-testing framework.
• Keel -- An IOC container based services and MVC framework, with ready-to-run applications. Integrates and allows switching of best-of-breed OSS frameworks like Struts/Cocoon/Webwork2/Velocity/Axis on the view/controller layer to JMS, JAAS, JDO, Hibernate, Quartz, BSF, Aspectwerkz and others at the services/persistence layer.

• Log4J -- logging framework similar to the J2SE Logging API (1.4+) but with more tools
• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Millstone -- Millstone is an open source user interface library for development of networked Java applications. It provides a terminal independent component model that can be adapted to different terminal types and user interface themes.

• Struts -- an open source MVC framework for building web applications.
• PicoContainer -- an open source lightweight container.
• Tapestry -- an open source web application framework very much unlike most other frameworks in that it doesn't use code generation and thoroughly separates presentation layer from business logic.

• JET API - provides access to the IBM 3270 datastream.
• JFreeChart -- a class library for generating charts.
• jga -- an adaptation of STL that stays true to common java idioms.

• QuickTimeForJava -- Java API to access the native QuickTime media API on MacOSX and Windows

• jtgl -- A tiny gfx/gaming library for j2me,j2se and more platforms. LGPL.

JSP Tag Libraries:

Frameworks:

• Discorso -- a Java based framework that enables the rapid development and deployment of applications that support complex collaborative business processes.
• JFraCE -- a Java Framework for Computer Emulation.
• Expresso -- most popular open source architectural framework, extends Struts -- lower costs and speed your application development; integrates with Jcorporate's collaborative community software.

• JPublish -- an open source web publishing and application framework.
• JUnit -- a popular open-source unit-testing framework.
• Keel -- An IOC container based services and MVC framework, with ready-to-run applications. Integrates and allows switching of best-of-breed OSS frameworks like Struts/Cocoon/Webwork2/Velocity/Axis on the view/controller layer to JMS, JAAS, JDO, Hibernate, Quartz, BSF, Aspectwerkz and others at the services/persistence layer.

• Log4J -- logging framework similar to the J2SE Logging API (1.4+) but with more tools
• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Millstone -- Millstone is an open source user interface library for development of networked Java applications. It provides a terminal independent component model that can be adapted to different terminal types and user interface themes.

• Common-Controls -- Java™ Presentation Framework based on Java Servlets, Java Serverpages (JSP™) and Apache Struts. The Presentation Framework contains the most common control elements like lists, trees, tabfolders, menus and forms, which are required for the development of J2EE™ applications with HTML frontends.
• WebWork -- a open source web application framework for J2EE. It is based on a concept called "Pull HMVC" Pull Hierarchical Model View Controller). It supports an arrange of view technologies - XSLT, JSP, Velocity, Applet, Jasper Reports, and more. New version webwork2 add more features.
• web4j -- both a simple, effective framework and an example application. Use for creating small- and medium-sized web applications. Includes sample deployment, javadoc with links to syntax-highlighted source code, and a zip file of the development directory (includes source). Here is an overview. Assists in building both front-end and back-end.

• JForm -- JForm is a framework for building form-based user interfaces with Swing. It provides a library of Swing components that supports automatic databinding and validation.

• JPublish -- an open source web publishing and application framework.
• JUnit -- a popular open-source unit-testing framework.
• Keel -- An IOC container based services and MVC framework, with ready-to-run applications. Integrates and allows switching of best-of-breed OSS frameworks like Struts/Cocoon/Webwork2/Velocity/Axis on the view/controller layer to JMS, JAAS, JDO, Hibernate, Quartz, BSF, Aspectwerkz and others at the services/persistence layer.

• Log4J -- logging framework similar to the J2SE Logging API (1.4+) but with more tools
• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Millstone -- Millstone is an open source user interface library for development of networked Java applications. It provides a terminal independent component model that can be adapted to different terminal types and user interface themes.

• Struts -- an open source MVC framework for building web applications.
• PicoContainer -- an open source lightweight container.
• Tapestry -- an open source web application framework very much unlike most other frameworks in that it doesn't use code generation and thoroughly separates presentation layer from business logic.

• VNet - utility classes including an XML generator and a simple editor.
• WebCharts3D - a class library and designer for adding interactive charts to Swing and JSP based (PNG, PDF, SVG, SWF, JPEG) web applications.
• xlSQL Excel JDBC Driver - Generic Document JDBC Driver for Excel, CSV, XML and DBF.

JSP Tag Libraries:

• JSP Tag Library Repository Wiki on java.net - List of commonly used JSP tag libraries and their corresponding documentation. Please add your JSP tag libraries here!

FrameworksAndLibraries

Libraries:

• AOLIMLibraries -- libraries for AOL's Instant Messenger service
• Big Faceless Graph library -- a class library for creating Graphs and Charts. (Commercial)
• Big Faceless PDF library -- a class library for creating and editing PDF documents. (Commercial)

Frameworks:

• ATCT -- Asynchronous Transfer of Control Threading is a pure J2SE and J2EE Java framework, aiding the rapid development of software for complex distributed processes.
• Batik -- a toolkit for applications or applets that want to use images in the Scalable Vector Graphics (SVG) format for various purposes, such as viewing, generation or manipulation.
• CaJo -- a library for distrubuted collaborative application development. If features: mobile code, internationalization, distributed graphical user interfaces, and more. All is a small, powerful, and easily understood class library.

Discussion about FrameworksAndLibraries

• JGoodies - This is a wonderful, comprehensive UI framework, including custom look and feels, form layout and other tools. Highly recommended to get beautiful Java applications painlessly.
• MVCMediator - Easy to use, powerful MVC type framework mainly for client side applications. Advanced data and command binding to Swing components
• XUI - An open source framework for creating Swing and AWT applications from Java and XML, includes MVC, data binding and event management

See also *WebDevelopmentFrameworks.

• web4j -- both a simple, effective framework and an example application. Use for creating small- and medium-sized web applications. Includes sample deployment, javadoc with links to syntax-highlighted source code, and a zip file of the development directory (includes source). Here is an overview. Assists in building both front-end and back-end.
• JGoodies - This is a wonderful, comprehensive UI framework, including custom look and feels, form layout and other tools. Highly recommended to get beautiful Java applications painlessly.
• MVCMediator - Easy to use, powerful MVC type framework mainly for client side applications. Advanced data and command binding to Swing components

See also *WebDevelopmentFrameworks.

• AOLIMLibraries -- libraries for AOL's Instant Messenger service
• Big Faceless Graph library -- a class library for creating Graphs and Charts. (Commercial)
• Big Faceless PDF library -- a class library for creating and editing PDF documents. (Commercial)

• JakartaCommons -- provides a host of helper utilities for the java.lang API, notably String manipulation methods, basic numerical methods, object reflection, creation and serialization, and System properties.

• jclasslib -- a class library for reading, modifying and writing Java class files and bytecode.
• JET API - provides access to the IBM 3270 datastream.
• JFreeChart -- a class library for generating charts.

• WebWork -- a open source web application framework for J2EE. It is based on a concept called "Pull HMVC" Pull Hierarchical Model View Controller). It supports an arrange of view technologies - XSLT, JSP, Velocity, Applet, Jasper Reports, and more. New version webwork2 add more features.
• web4j -- both a simple, effective framework and an example application. Use for creating small- and medium-sized web applications. Includes sample deployment, javadoc with links to syntax-highlighted source code, and a zip file of the development directory (includes source). Here is an overview. Assists in building both front-end and back-end.
• JGoodies - This is a wonderful, comprehensive UI framework, including custom look and feels, form layout and other tools. Highly recommended to get beautiful Java applications painlessly.

See also *WebDevelopmentFrameworks.

• QuickTimeForJava -- Java API to access the native QuickTime media API on MacOSX and Windows
• VNet - utility classes including an XML generator and a simple editor.
• WebCharts3D - a class library and designer for adding interactive charts to Swing and JSP based (PNG, PDF, SVG, SWF, JPEG) web applications.

JSP Tag Libraries:

• JSP Tag Library Repository Wiki on java.net - List of commonly used JSP tag libraries and their corresponding documentation. Please add your JSP tag libraries here!

• Struts -- an open source MVC framework for building web applications.
• PicoContainer -- an open source lightweight container.
• Tapestry -- an open source web application framework very much unlike most other frameworks in that it doesn't use code generation and thoroughly separates presentation layer from business logic.

• WebWork -- a open source web application framework for J2EE. It is based on a concept called "Pull HMVC" Pull Hierarchical Model View Controller). It supports an arrange of view technologies - XSLT, JSP, Velocity, Applet, Jasper Reports, and more. New version webwork2 add more features.
• web4j -- both a simple, effective framework and an example application. Use for creating small- and medium-sized web applications. Includes sample deployment, javadoc with links to syntax-highlighted source code, and a zip file of the development directory (includes source). Here is an overview. Assists in building both front-end and back-end.
• JGoodies - This is a wonderful, comprehensive UI framework, including custom look and feels, form layout and other tools. Highly recommended to get beautiful Java applications painlessly.

• Batik -- a toolkit for applications or applets that want to use images in the Scalable Vector Graphics (SVG) format for various purposes, such as viewing, generation or manipulation.
• CaJo -- a library for distrubuted collaborative application development. If features: mobile code, internationalization, distributed graphical user interfaces, and more. All is a small, powerful, and easily understood class library.
• Carbon -- Carbon is a light-weight component model and services framework providing enterprise-quality services.

• Discorso -- a Java based framework that enables the rapid development and deployment of applications that support complex collaborative business processes.
• JFraCE -- a Java Framework for Computer Emulation.
• Expresso -- most popular open source architectural framework, extends Struts -- lower costs and speed your application development; integrates with Jcorporate's collaborative community software.

• web4j -- both a simple, effective framework and an example application. Use for creating small- and medium-sized web applications. Includes sample deployment, javadoc with links to syntax-highlighted source code, and a zip file of the development directory (includes source). Here is an overview. Assists in building both front-end and back-end.
• JGoodies - This is a wonderful, comprehensive UI framework, including custom look and feels, form layout and other tools. Highly recommended to get beautiful Java applications painlessly.

• Lava - stream parsing, data manipulation, and text formatting (e.g. printf) classes
• QuickTimeForJava -- Java API to access the native QuickTime media API on MacOSX and Windows
• VNet - utility classes including an XML generator and a simple editor.

JSP Tag Libraries:

• JSP Tag Library Repository Wiki on java.net - List of commonly used JSP tag libraries and their corresponding documentation. Please add your JSP tag libraries here!

• Expresso -- most popular open source architectural framework, extends Struts -- lower costs and speed your application development; integrates with Jcorporate's collaborative community software.
• JPublish -- an open source web publishing and application framework.
• JUnit -- a popular open-source unit-testing framework.

• Log4J -- logging framework similar to the J2SE Logging API (1.4+) but with more tools
• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Millstone -- Millstone is an open source user interface library for development of networked Java applications. It provides a terminal independent component model that can be adapted to different terminal types and user interface themes.

• JFreeChart -- a class library for generating charts.
• jga -- an adaptation of STL that stays true to common java idioms.
• JLicense - utility library for creating and validating license keys.

• Lava - stream parsing, data manipulation, and text formatting (e.g. printf) classes
• QuickTimeForJava -- Java API to access the native QuickTime media API on MacOSX and Windows
• VNet - utility classes including an XML generator and a simple editor.

• QuickTimeForJava -- Java API to access the native QuickTime media API on MacOSX and Windows
• VNet - utility classes including an XML generator and a simple editor.

Frameworks:

• ATCT -- Asynchronous Transfer of Control Threading is a pure J2SE and J2EE Java framework, aiding the rapid development of software for complex distributed processes.

• Expresso -- most popular open source architectural framework, extends Struts -- lower costs and speed your application development; integrates with Jcorporate's collaborative community software.
• JPublish -- an open source web publishing and application framework.
• JUnit -- a popular open-source unit-testing framework.

• Log4J -- logging framework similar to the J2SE Logging API (1.4+) but with more tools
• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Millstone -- Millstone is an open source user interface library for development of networked Java applications. It provides a terminal independent component model that can be adapted to different terminal types and user interface themes.

• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Millstone -- Millstone is an open source user interface library for development of networked Java applications. It provides a terminal independent component model that can be adapted to different terminal types and user interface themes.
• Struts -- an open source MVC framework for building web applications.

• Tapestry -- an open source web application framework very much unlike most other frameworks in that it doesn't use code generation and thoroughly separates presentation layer from business logic.
• Common-Controls -- Java™ Presentation Framework based on Java Servlets, Java Serverpages (JSP™) and Apache Struts. The Presentation Framework contains the most common control elements like lists, trees, tabfolders, menus and forms, which are required for the development of J2EE™ applications with HTML frontends.
• WebWork -- a open source web application framework for J2EE. It is based on a concept called "Pull HMVC" Pull Hierarchical Model View Controller). It supports an arrange of view technologies - XSLT, JSP, Velocity, Applet, Jasper Reports, and more. New version webwork2 add more features.

• Common-Controls -- Java™ Presentation Framework based on Java Servlets, Java Serverpages (JSP™) and Apache Struts. The Presentation Framework contains the most common control elements like lists, trees, tabfolders, menus and forms, which are required for the development of J2EE™ applications with HTML frontends.
• WebWork -- a open source web application framework for J2EE. It is based on a concept called "Pull HMVC" Pull Hierarchical Model View Controller). It supports an arrange of view technologies - XSLT, JSP, Velocity, Applet, Jasper Reports, and more. New version webwork2 add more features.
• web4j -- both a simple, effective framework and an example application. Use for creating small- and medium-sized web applications. Includes sample deployment, javadoc with links to syntax-highlighted source code, and a zip file of the development directory (includes source). Here is an overview. Assists in building both front-end and back-end.

• jclasslib -- a class library for reading, modifying and writing Java class files and bytecode.
• JET API - provides access to the IBM 3270 datastream.
• JFreeChart -- a class library for generating charts.

• JLicense - utility library for creating and validating license keys.
• Lava - stream parsing, data manipulation, and text formatting (e.g. printf) classes
• QuickTimeForJava -- Java API to access the native QuickTime media API on MacOSX and Windows

Libraries:

• AOLIMLibraries -- libraries for AOL's Instant Messenger service

• JakartaCommons -- provides a host of helper utilities for the java.lang API, notably String manipulation methods, basic numerical methods, object reflection, creation and serialization, and System properties.
• jclasslib -- a class library for reading, modifying and writing Java class files and bytecode.
• JET API - provides access to the IBM 3270 datastream.

Discussion about FrameworksAndLibraries

FrameworksAndLibraries

Libraries:

• AOLIMLibraries -- libraries for AOL's Instant Messenger service
• The Big Faceless Java Graph library -- a class library for creating Graphs and Charts. (Commercial)
• JakartaCommons -- provides a host of helper utilities for the java.lang API, notably String manipulation methods, basic numerical methods, object reflection, creation and serialization, and System properties.

• Common-Controls -- Java™ Presentation Framework based on Java Servlets, Java Serverpages (JSP™) and Apache Struts. The Presentation Framework contains the most common control elements like lists, trees, tabfolders, menus and forms, which are required for the development of J2EE™ applications with HTML frontends.
• WebWork -- a open source web application framework for J2EE. It is based on a concept called "Pull HMVC" Pull Hierarchical Model View Controller). It supports an arrange of view technologies - XSLT, JSP, Velocity, Applet, Jasper Reports, and more. New version webwork2 add more features.
• web4j -- both a simple, effective framework and an example application. Use for creating small- and medium-sized web applications. Includes sample deployment, javadoc with links to syntax-highlighted source code, and a zip file of the development directory (includes source). Here is an overview. Assists in building both front-end and back-end.

• Millstone -- Millstone is an open source user interface library for development of networked Java applications. It provides a terminal independent component model that can be adapted to different terminal types and user interface themes.
• Struts -- an open source MVC framework for building web applications.
• Tapestry -- an open source web application framework very much unlike most other frameworks in that it doesn't use code generation and thoroughly separates presentation layer from business logic.

• WebWork -- a open source web application framework for J2EE. It is based on a concept called "Pull HMVC" Pull Hierarchical Model View Controller). It supports an arrange of view technologies - XSLT, JSP, Velocity, Applet, Jasper Reports, and more. New version webwork2 add more features.
• web4j -- both a simple, effective framework and an example application. Use for creating small- and medium-sized web applications. Includes sample deployment, javadoc with links to syntax-highlighted source code, and a zip file of the development directory (includes source). Here is an overview. Assists in building both front-end and back-end.

• Kanabos -- a Desktop Application Framework
• Log4J -- logging framework similar to the J2SE Logging API (1.4+) but with more tools
• Melati -- an open source framework for generating Persistent Objects and building web applications.

• Struts -- an open source MVC framework for building web applications.
• Tapestry -- an open source web application framework very much unlike most other frameworks in that it doesn't use code generation and thoroughly separates presentation layer from business logic.
• WebWork -- a open source web application framework for J2EE. It is based on a concept called "Pull HMVC" Pull Hierarchical Model View Controller). It supports an arrange of view technologies - XSLT, JSP, Velocity, Applet, Jasper Reports, and more. New version webwork2 add more features.

• ATCT -- Asynchronous Transfer of Control Threading is a pure J2SE and J2EE Java framework, aiding the rapid development of software for complex distributed processes.
• Batik -- a toolkit for applications or applets that want to use images in the Scalable Vector Graphics (SVG) format for various purposes, such as viewing, generation or manipulation.

• Carbon -- Carbon is a light-weight component model and services framework providing enterprise-quality services.
• Discorso -- a Java based framework that enables the rapid development and deployment of applications that support complex collaborative business processes.
• JFraCE -- a Java Framework for Computer Emulation.

• Carbon -- Carbon is a light-weight component model and services framework providing enterprise-quality services.
• Discorso -- a Java based framework that enables the rapid development and deployment of applications that support complex collaborative business processes.
• JFraCE -- a Java Framework for Computer Emulation.

• JPublish -- an open source web publishing and application framework.
• JUnit -- a popular open-source unit-testing framework.
• Kanabos -- a Desktop Application Framework

• The Big Faceless Java Graph library -- a class library for creating Graphs and Charts. (Commercial)
• JakartaCommons -- provides a host of helper utilities for the java.lang API, notably String manipulation methods, basic numerical methods, object reflection, creation and serialization, and System properties.
• jclasslib -- a class library for reading, modifying and writing Java class files and bytecode.

• JFreeChart -- a class library for generating charts.

• QuickTimeForJava -- Java API to access the native QuickTime media API on MacOSX and Windows

Frameworks:

• Struts -- an open source MVC framework for building web applications.
• Tapestry -- an open source web application framework very much unlike most other frameworks in that it doesn't use code generation and thoroughly separates presentation layer from business logic.
• WebWork -- a open source web application framework for J2EE. It is based on a concept called "Pull HMVC" Pull Hierarchical Model View Controller). It supports an arrange of view technologies - XSLT, JSP, Velocity, Applet, Jasper Reports, and more. New version webwork2 add more features.

• JFraCE -- a Java Framework for Computer Emulation.
• JPublish -- an open source web publishing and application framework.
• JUnit -- a popular open-source unit-testing framework.

• Log4J -- logging framework similar to the J2SE Logging API (1.4+) but with more tools
• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Struts -- an open source MVC framework for building web applications.

• Log4J -- logging framework similar to the J2SE Logging API (1.4+) but with more tools
• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Struts -- an open source MVC framework for building web applications.

• WebWork -- a open source web application framework for J2EE. It is based on a concept called "Pull HMVC" Pull Hierarchical Model View Controller). It supports an arrange of view technologies - XSLT, JSP, Velocity, Applet, Jasper Reports, and more. New version webwork2 add more features.

• Log4J -- logging framework similar to the J2SE Logging API (1.4+) but with more tools
• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Struts -- an open source MVC framework for building web applications.

• ATCT -- Asynchronous Transfer of Control Threading is a pure J2SE and J2EE Java framework, aiding the rapid development of software for complex distributed processes.
• Batik -- a toolkit for applications or applets that want to use images in the Scalable Vector Graphics (SVG) format for various purposes, such as viewing, generation or manipulation.

• Discorso -- a Java based framework that enables the rapid development and deployment of applications that support complex collaborative business processes.
• JFraCE -- a Java Framework for Computer Emulation.
• JPublish -- an open source web publishing and application framework.

Libraries:

• AOLIMLibraries -- libraries for AOL's Instant Messenger service

Frameworks:

• Batik -- a toolkit for applications or applets that want to use images in the Scalable Vector Graphics (SVG) format for various purposes, such as viewing, generation or manipulation.
• Carbon -- Carbon is a light-weight component model and services framework providing enterprise quality services.
• Discorso -- a Java based framework that enables the rapid development and deployment of applications that support complex collaborative business processes.

• JPublish -- an open source web publishing and application framework.
• JUnit -- a popular open-source unit-testing framework.

• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Struts -- an open source MVC framework for building web applications.

• AOLIMLibraries -- libraries for AOL's Instant Messenger service
• JakartaCommons -- provides a host of helper utilities for the java.lang API, notably String manipulation methods, basic numerical methods, object reflection, creation and serialization, and System properties
• JFreeChart is a class library, written in Java, for generating charts.

Frameworks:

• ATCT -- Asynchronous Transfer of Control Threading is a pure J2SE and J2EE Java framework, aiding the rapid development of software for complex distributed processes.

• Carbon -- Carbon is a light-weight component model and services framework providing enterprise quality services.
• Discorso -- a Java based framework that enables the rapid development and deployment of applications that support complex collaborative business processes.
• JPublish -- an open source web publishing and application framework.

• Discorso -- a Java based framework that enables the rapid development and deployment of applications that support complex collaborative business processes.
• JPublish -- an open source web publishing and application framework.
• JUnit -- a popular open-source unit-testing framework.

• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Struts -- an open source MVC framework for building web applications.

Frameworks:

• ATCT -- Asynchronous Transfer of Control Threading is a pure J2SE and J2EE Java framework, aiding the rapid development of software for complex distributed processes.

• Discorso -- a Java based framework that enables the rapid development and deployment of applications that support complex collaborative business processes.

• JUnit -- a popular open-source unit-testing framework.
• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Struts -- an open source MVC framework for building web applications.

• Melati -- an open source framework for generating Persistent Objects and building web applications.
• Struts -- an open source MVC framework for building web applications.
• JPublish -- an open source web publishing and application framework.

• ATCT -- Asynchronous Transfer of Control Threading is a pure J2SE and J2EE Java framework, aiding the rapid development of software for complex distributed processes.
• Discorso -- a Java based framework that enables the rapid development and deployment of applications that support complex collaborative business processes.
• JUnit -- a popular open-source unit-testing framework.

• Struts -- an open source MVC framework for building web applications.
• JPublish -- an open source web publishing and application framework.

Discussion about FrameworksAndLibraries

• JUnit -- a popular open-source unit-testing framework.
• Struts -- an open source MVC framework for building web applications.
• JPublish -- an open source web publishing and application framework.

• Discorso -- a Java based framework that enables the rapid development and deployment of applications that support complex collaborative business processes.
• JUnit -- a popular open-source unit-testing framework.
• Struts -- an open source MVC framework for building web applications.

Libraries:

• AOLIMLibraries -- libraries for AOL's Instant Messenger service

• QuickTimeForJava -- Java API to access to the native QuickTime media API on MacOSX and Windows

Frameworks:

• JakartaCommons -- provides a host of helper utilities for the java.lang API, notably String manipulation methods, basic numerical methods, object reflection, creation and serialization, and System properties.
• AOLIMLibraries -- libraries for AOL's Instant Messenger service

Frameworks:

Discussion about FrameworksAndLibraries

Libraries:

• JakartaCommons -- provides a host of helper utilities for the java.lang API, notably String manipulation methods, basic numerical methods, object reflection, creation and serialization, and System properties.

Frameworks: