The Lounge - The Lounge is a web IRC client that you host on your own server.
JabbR - A chat application built with ASP.NET and SignalR.
Konversation - Konversation is an IRC client which gives you speedy access to Freenode network's channels...
Worlize - Worlize is the platform that allows users to communicate with each other in a fun way and play games that are created by the users on this platform.
irssi - Irssi is a terminal based IRC client for UNIX systems.
AvatarPalace - AvatarPalace is the platform that is used for a chat with others in a 2D virtual world and provides various cartoon characters and fun avatars for a chat.