ooVoo is the next evolution in online communication — a remarkably easy way to have a face-to-face video chat with friends, family or colleagues, no matter where they are in the world.
fring™ uses your mobile internet connection to make peer-to-peer VoIP calls, send instant messages and talk with VoIP applications such as Skype, Google Talk , MSN Messenger and SIP at no extra cost.
Anyone with a laptop (with a webcam) can visit Ustream.tv and in less than five minutes get setup with your own channel, your own chat room and be live on the Internet.
The major difference between the two, lies in the fact that Project Gizmo has been built using an open source philosophy around the emerging SIP standards. In addition to being based on the SIP open standard, Gizmo has publicly stated that it is committed