Gaim for Qtopia is an official port of the Gaim instant messenger. It is a multi-protocol instant messaging client for the Qtopia and OPIE embedded environments, compatible with the AIM (using the Oscar protocols), ICQ, MSN Messenger, Yahoo!, IRC, Jabber, Gadu-Gadu, Napster, and Trepia networks.
Kit is an AIM client for KDE. It has a standard KDE UI, has standard KDE sound and other notification support, and uses the open protocol for reliable service. It has shipped with many operating systems, and so undergone many hours of testing and portability work. It also integrates with KDE session management and system tray features.
BSFlite is a minimalistic, line-based AIM client for Unix (including Mac OS X) and Win32. It is designed with simplicity and efficiency in mind and thus utilises as little RAM and CPU time as possible in order to be friendly to multiuser systems. It uses the OSCAR protocol to communicate with the AIM service.
LarryMessenger is a simple to install and easy to use cross-platform instant messenger client. It has a nice graphical user interface, and allows people to communicate over a LAN with static IP addresses without the need for a central server. Furthermore, it provides functions to query the ICQ and AIM networks.