Adium is a free instant messaging application for Mac OS X. 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.
- AOL Instant Messenger (Including ICQ and .Mac)
- Jabber (Including Google Talk and LiveJournal)
- MSN Messenger
- Yahoo! Messenger (Including Yahoo! Japan)
- Bonjour (Compatible with iChat)
- MySpace IM
- Novell Groupwise
- Lotus Sametime
- OTR Encryption
- Tabbed Messaging
- File Transfer
- Webkit Message Display
Adium is free to download and use.