Wikipedia
Meetro
Meetro was a multi-network social messenger with location-based services (LBS). It was compatible with AOL Instant Messenger, Yahoo! Messenger, MSN Messenger, GTalk, XMPP, and ICQ. Meetro's features made it useful for meeting people with similar interests in a given area, as well as bundling multiple messaging protocols into one program. Meetro was located in San Francisco, California.
Meetro is a software that runs on Windows and Mac OS X operating systems.