GTalk with all your friends.

IM, VoIP, SMS, radio and TV, all together.

Good IM Client which supports AOL, MSN and Yahoo contacts.

More features, more quality, more instant messenger.

P2P filesharing and voice/video chat, all together.

Chat client and voice communication in groups.

Another useful instant messenger client.

Lite version for MSN which can be run from any USB key.

Full featured tool for instant message and entertainment.

Videochat, SMS, emoticons,... all inside MSN Messenger.