I know there are some people out there who may be interested in this. I know someone mentioned it in another thread but it deserves it's very own thread.
fring – Make free mobile calls, IM with Skype, MSN Messenger, ICQ, Google Talk?, SIP & Twitter, AIM? & Yahoo!?
fring – Make free mobile calls, IM with Skype, MSN Messenger, ICQ, Google Talk?, SIP & Twitter, AIM? & Yahoo!?