NextStep - Provides NextStep appearance for Swing applications. Teknolust - Early custom pluggable look and feel. jThemeManager - A library that allows dynamic loading of java LookAndFeel "themes" from Jar and Zip files. [Open source, LGPL] Napkin Look and Feel for Swing - Offers mailing list signup, CVS access, and documentation. Synthetica - Based on Synth, offers an enhanced JFileChooser and rounded borders. Includes download, FAQ, and screen shots. The Alloy Look and Feel - Several themes, rollover effects and support for all Swing components, claims to be very fast. Site includes documentation, screenshots, and 30-day trial option. [Commercial] javootoo.com - Look and Feel repository for both Java developers and end-users. Site includes different look and feel categories and some icon collections. 3D Look & Feel - Look and feel for the Java2 Platform. Positioned as alternative to the Metal or Windows look and feel. [Freeware?] Wikipedia: Pluggable look and feel - Online encyclopedia article on Swing 'Pluggable look and feel' with many links to related topics.