Freshmeat page: http://freshmeat.net/projects/gaim/
Gaim is an Instant Messenging client using the GTK+ widget set. It supports both TOC and Oscar, as well as quite a few other "instant messenging" systems (ICQ, Yahoo, Jabber, MSN, etc) through the use of plugins. The interface is similar to the official AIM client, but without all those annoying ads. ;-)
This project has the following developers:
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