"We've collected 53 different open source projects that can make your desktop environment faster, prettier, easier to use or just a little different. They run the gamut from small utilities that do just one thing to open source operating systems that can replace Windows. We've included a number of tools for Linux users that can help you customize your desktop to meet your unique needs and tastes."
http://itmanagement.earthweb.com/osrc/article.php/12068_3924876_1/53-Open-Source-Replacements-to-Spice-Up-Your-Desktop.htm