By Nimbuzz about Nimbuzz
Ventrilo is the next evolutionary step of Voice over IP (VoIP) group communications software.
D-Voicer is a Voice over IP (VoIP) application suitable for corporate.
Enables people to speak with one another over the Internet.
Skype lets you talk over the internet to anyone, anywhere in the world for free.
EarthLink Conference Manager is a videoconferencing and video chat .