BZFlag is a 3D, multiplayer, tank battle zone, capture the flag game that pits players against each other in a networked environment. It runs on Windows 95/98/NT/2000, Linux, MacOS 10.x, Irix, Solaris, and others. An OpenGL accelerator is highly recommended, but it is playable with 3D in software.
The SeaMonkey project is a community effort to develop an all-in-one Internet application suite. It contains an Internet browser, email and newsgroup client with an included Web feed reader, HTML editor, IRC chat, and Web development tools, and is sure to appeal to advanced users, Web developers, and corporate users. It uses much of the Mozilla source code powering such successful siblings as Firefox, Thunderbird, Camino, Sunbird, and Miro.
Perlbot is an IRC bot written in Perl. It depends on Net::IRC and its goals are simplicity and modularity. The base bot allows auto-opping, notes, multiple channels, etc., but much much more is possible through the use of plugins. Many plugins are included, and it should be easy for anyone with some knowledge of Perl to write her own.
SplitFire is a very complete IRC script for EPIC4. It features tab-completion of Nicknames, Channels and Notify list. Configuration and Auto-OP lists are menu-based. SplitFire also contains configurable statusbar colors and several color schemes. Script is also a DICT dictionary client and can access altavista's babelfish.