a jabber (instant messaging) client running atop emacs.
rcirc-x is an extension to rcirc.el, an IRC client in Emacs.
This is a robust client for the AOL Instant Messenging service using the Emacs text editor as it's UI. That's right -- you can use AIM from within emacs! TNT has been described as "IM for adults".
Rudel is a collaborative editing framework for GNU Emacs. It is designed to support multiple collaborative editing protocols such as the obby protocol.
We have moved to http://sv.gnu.org/projects/erc. ERC is a powerful, modular, and extensible IRC client for Emacs and XEmacs. Full documentation can be found on the wiki by following the "Home Page" link.