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.
Lurker is a mailing list archiver designed for capacity, speed, simplicity, and configurability in that order.
Noteworthy features include: google-style searching on all fields, chronology preserving threads, multilingual, and attachment support.
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