An open implementation of the SS7 core protocols, MTP, SCCP, ISUP, and TCAP.
PyWebMail is a Python library and POP3 gateway that enable working with WebMail servers like with POP3 or IMAP mail server. Currently Mail.Com, Yahoo! Mail, Gmail, Netscape.Net, HotMail and some minor servers support is finished.
IMAP-Agent is an automated IMAP mail folder management system implementing site wide and individual user specific rules for filtering mail between folders. Also, quotas can be maintained by age or max count of messages for any folder.
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
Yet another watchdog daemon is watching your systems with the real power of perl. It's the simplest way to create new watch jobs (just 4 lines).
sec-unx: It is an approach by which the Unix/Linux Security is made uniform across various distribution.