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.
Quassel IRC is a modern, cross-platform, distributed IRC client, meaning that one or more clients can attach to and detach from a central core, much like the popular combination of screen and a text-based IRC client, but graphical. In addition to this unique feature, it aims to be a comfortable chatting program.
Babylon Java Chat is a client and server combo that allows groups to chat and draw over any TCP/IP connection. The client can be run either as a standalone Java application or as an applet launched from a WWW document. It features public and private chatting and drawing, email, file transfers, chat rooms, instant and answering-machine style messaging, and console paging. The drawing canvas enables users to draw freehand, or to create lines, rectangles, ovals, or fonted text, or to paste images from files.
123 Live Help is a Web-based support software for businesses. It shows visitors to your Web site that a live agent is just a click away and enables operators to chat in real time with them. There are text and video chat options. It is secure, fast, flexible, customizable, and cost-effective. There is a full-featured administrative panel for operators and administrators, allowing them to automatically detect customers' details, track their footprints, transfer chats, follow the visitor's Web browsing, check spelling, get canned messages, and more. Administrators also can monitor all chat sessions and get statistics on the traffic sources of visitors and performance of operators.