• Lots of L&Fs http://javootoo.l2fprod.com/
• Skin L&F http://www.l2fprod.com/
• Windows XP look and feel: http://www.stefan-krause.com/java/
• Alloy L&F http://www.incors.com/lookandfeel/index.php
• JGoodies L&F http://www.jgoodies.com
• Liquid: an Aqua-ish L&F http://liquidlnf.dev.java.net/
• Napkin: for prototypes or just for fun http://napkinlaf.sourceforge.net/

Articles

• Article on Synth, the new themeable L&F for JDK 1.5 http://www.javadesktop.org/articles/synth/index.html
• Article on customizing Metal (the standard Java L&F) http://www.codeproject.com/java/theme.asp
• Article: Using Swing's Pluggable Look and Feel

-- TimoWiedenmann - 27 Jul 2006