ircproxy is an Internet Relay Chat Proxy, which works as a layer between your IRC client and the IRC server. It features bouncer capability and has more features, flexibility, and configuration options than other tools. It also includes an option to use the system password list instead of requiring a separate password database.
antioch is a Web application for building scalable, interactive virtual worlds. Begun as a MOO-like system for building virtual worlds, the goal was to take the LambdaMOO approach to creating online worlds, and update it in hopes of attracting new players to an old idea. Like many MOO clones before it, antioch uses Python as its internal scripting language. This provides a powerful environment for game authors, while a flexible object model allows for creation of complex in-game objects.
Synovel Collabsuite provides email, calendaring, and instant messaging solution for enterprises. It consists of a Linux email server with calendar and IM, a Web-based administration panel, a desktop client suite that runs on Windows and Linux, and AJAX-based Web mail access. It uses open standards for communications: IMAP, POP, and SMTP for email, CalDav for calendaring, and Jabber for IM.
JubJub is a daemon for server side logging of XMPP packets. JubJub is based upon a module architecture, so it is possible to flexibly reassign handlers for different types of XMPP packets. Originally, JubJub was designed for ejabberd server. JubJub is named after a collateral character of the famous poem by Lewis Carroll.
BSW IRC Proxy translates the chat aspect of the proprietary binary protocol used in the Java client for the online gaming portal BrettSpielWelt.de to the standardized features of IRC (RFC 1459, 2810, 2811, particularly 2812, and 2813). It keeps a persistent connection to the client, server, and IRC client, in case one of them should vanish.