JabbR - A chat application built with ASP.NET and SignalR.
HexChat - HexChat is a fork of XChat with bug fixes and new features.
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.
irssi - Irssi is a terminal based IRC client for UNIX systems.
MyENIGMA - MyENIGMA is an app that allows you to send text messages, videos, audio clips, photos, and files to your friends and family securely.
Adium - Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.