Skype has just released a new version, Skype 2.7 beta for Mac. The best feature in the lasted build is support for OS X 10.5 Leopard. Skype is also not forgeting Linux, and PC as they update those versions often.
Skype 2.7 beta for Mac is the first OS X version to support VGA video at [...]

Facebook has something that myspace does not. That is great applications because of the ease of creation. So it is not surprising that the Voxalot has featured their VoIP calling solution on Facebook. Voxcall gives facebook users the ability to call their facebook friends by using their SIP URI (VoIP address that acts like a [...]

It seems like Skype has almost completed the Linux version. Today Skype released 2.0 beta Linux version adding video support.
Skype 2.0 beta for Linux is available for many Linux distributions including Debian, Mepis, Xandros, Mandriva, and OpenSuse. Support for Ubuntu and Fedora is to come.
Skype 2.0 beta requires a video card driver with Xv support, [...]