OctroTalk

OctroTalk screenshots

A Jabber/Gtalk client with support for Google Talk (GMail) audio & video calls.

Alternative downloads

Adium
1.5.10.4
FREE
Popular and, probably, the best instant messaging client for you Mac.
VoIP Tracker Lite
1.1.1
FREE
Keep track status directly from your Mac desktop.
YateServer
4.2
FREE
The Yate Server can be considered Yate’s package main component.