Editor's Note: Product not yet tested by editor. The following description is from the manufacturer.

Adium is a free instant messaging application for Mac OS X, released under the GNU GPL and developed by the Adium team. With Adium, you can connect to any number of messaging accounts on any combination of supported messaging services and then chat with other people using those services.

For additional information on Instant Messaging Software and product reviews, please visit our Instant Messaging Software product guide.