PPhone is a universal communication client for IP telephony and instant messaging. The application's design is modular, so GUI, protocol, codec, and sound drivers have plugin interfaces, the GUI is detachable, and you can switch among different GUI implementations and change the client's configuration at runtime. With the gaimhack module, you can use IM plugins from Gaim 2 to access mainstream IM networks.
JD Bible Bot is a chat bot for some instant messaging systems (mainly Jabber and Google Talk) with which people can read the Holy Scriptures of Christianity and other related material. The networking part is based on Jabber technology, and the Bible part is based on diatheke and the Sword project. Jabber gateways allow this program to be used with MSN, AIM, Yahoo!, ICQ, and other IM systems. Dozens of Bible translations, commentaries, lexicons, and other related works can be used.
Atheme IRC Services is a portable, secure set of IRC services that are designed to run on many IRCds. Unlike alternative packages, its core is minimalistic, providing only required functionality. Extra modules that provide functionality you want as a network administrator can be acquired through a module repository. It provides a fairly complete services set, excluding features designed for oper abuse. It also adds a twist on many of the classic features of Services, such as NOOP.