Pidgin multi-protocol Instant Messaging client
With this program you can create a messenger-style windows or yahoo messenger.
Multiprotocol because it is compatible with:
- AIM
- Bonjour
- Gadu-Gadu
- Google Talk
- Groupwise
- ICQ
- IRC
- MSN
- MySpaceIM
- SILC
- SIMPLE
- Sametime
- XMPP
- Yahoo!
- Zephyr
Official Site: http://pidgin.im