Praya is a window to all your messages. It ships with many protocols, including DICT, IRC, gale, Maildir, a timer, and Yahoo! Pager. Praya is easily extendible. Adding new protocols is relatively straightforward. It has a modular architecture which makes it easy to write bots, gateways, spam filters, etc.
Sashenka is yet another framework for building IRC clients and bots. It contains a J2EE Servlet Container for running IRCServlets, along with the necessary utilities and accessories to write bots following the J2EE Servlet model. Another aspect of Sashenka is the IRC framework which implementors may very easily incorporate into IRC clients or other bot engines of their own design.
DarkerIRC is a Java applet which provides IRC client functionality. It was written to be highly configurable (through the parameter tags and configuration file) and still easy to install and maintain. It can connect to any server or IRC network using the binary version, which contains a self-signed certificate.
sTeam provides a technical platform which allows groups of students, lecturers, and any other groups to construct and arrange their individual and cooperative learning and working space. It consists of an object-oriented server connected to a database, and Web, Java, and other (FTP, SMTP, IRC, etc.) clients. The server is event-driven and manages all user objects as well as the communication between the connected clients. Features that were different from most other cooperation tools is the self-organisation and self-administration by the members within the virtual environment.