Bantu
Real time communication that offers secure one-to-one, group messaging and conference rooms with queuing, logging and privacy controls.
BigBlueBall.com
Resource for news, tips, tricks, and support for all major instant messengers such as AIM, MSN, Y!M, and Trillan.
Easy Message
Ultra-lite instant messaging with a download size of 240K and provides unlimited messaging on MSN, AOL, ICQ and Yahoo.
Encrypted AIM
Provider of an encrypted plug-in for various chat clients.
Miranda IM
Open-source multi protocol instant messenger client designed for the Microsoft Windows environment.
SimpleAIM
Open source development project aimed at providing independence and interoperability in the realm of instant messaging services.
VSL LanToucher
Instant messaging software for local internal network such as corporate and small private intranet.
Winpopup LAN Messenger
Enterprise instant messaging software solution from Fomine Software. Delivers messages security within local networks.