Whitebeam is a complete rapid development Web application server integrating Apache, Posgresql, Mozilla's SpiderMonkey JavaScript engine with it's own powerful XML/XPath based secure application framework.
Loacker is a fully self-contained .NET framework for building and managing e-learning applications, including a CMS engine, a persistent object store, a Web server with browser-based content editing and real-time audio/video conferencing capabilities.
Revival/2k is a modular BBS/suite of internet servers and a web-site management system. It consists of multiple web applications (forums, mail, login, etc), internet servers (NNTP, POP3, etc) and a Telegard/Renegade styled telnet server all interacting
CoverYourASP.com - complete Active Server Pages source (JScript) for this popular web site. Includes full membership system, diary, online db admin, banner ad system and loads more.