OpenSrcPHP – Open Source PHP
http://www.OpenSrcPHP.com/

OpenSrcPHP.com features an easy to browse gallery of the best Open Source PHP projects. Each project features screenshots plus community driven comments, ratings, and bookmarking. They also provide a hosted demo install thats refreshed every couple hours so you can immediately evaluate a working installation. This has been added to World Wide Web Reference Subject Tracer™ Information Blog.