Skype

With this plugin by Google, you can now use voice and video capabilities in your Gmail, iGoogle and orkut chat. It lets you have an actual conversation with someone, or …

Linphone is an internet phone or Voice Over IP phone (VoIP). With linphone you can communicate freely with people over the internet, with voice, video, and text instant messaging. Linphone …

Ventrilo 3.0.0 is the next evolutionary step of Voice over IP (VoIP) group communications software. Ventrilo is also the industry standard by which all others measure themselves as they attempt …

FaceTime is a video calling software feature developed by Apple for the iPod Touch 4, iPhone 4, and Mac OSX. FaceTime makes it possible to talk, smile, wave, and laugh …

Zoiper IAX & SIP multilanguage and multiplatform (Windows, Linux and Mac OS X) softphone is a VoIP soft client, meant to work with any IP-based communications systems and infrastructure. Zoiper …

Allegedly "cheap" phone calls with Jumblo. WARNING: expect to have payments disappear with zero recourse and have "free" minutes widely unavailable like any other betamax clone scam.

Logitech Vid HD is free for anyone with any Logitech webcam—and any other manufacturer’s webcam—, whether that webcam is brand new, or one you’ve had for a while. As Logitech®, …

Small program mainly aimed to provide a simple user interface for making VoIP calls with Asterisk PBX (an open source VoIP PBX).

Manage all your existing IM and social network accounts with only one easy-to-use application. Free video calls and video conferences as well as goober Premium VoIP, and much more included! …

With FriendCaller Web Phone, you can make free VoIP calls and cheap phone calls. Use it from a browser, a iPhone, iPod Touch, iPad, Android, Nokia SIP Phone. Talk to …

Make cheap international calls from your mobile, landline or computer from as little as 0.4p per minute. Our call rates are up to 88% cheaper than the competition. Top up …