Transformers
License: Demo
OS Support: Blackberry,

Automatic Desktop Pphone dialing software for Skype and Jajah - VOIP Phone Buddy.
License: Shareware
OS Support: Win98,WinME,WinXP,WinNT 3.x,WinNT 4.x,Windows2000,Windows2003,

Gizmo is a FREE Phone for Your Computer.
License: Freeware
OS Support: Windows2000,WinXP,Windows2003,Linux,Linux Console,Linux Gnome,Linux GPL,Linux Open Source,Mac OS 9,Mac OS X,Mac OS X 10.1,Mac OS X 10.2,Mac OS X 10.3,Mac OS X 10.4,Mac OS X 10.5,Mac Other,Win Vista

Low-latency, high quality voice chat software for gaming.
License: Freeware
OS Support: WinXP,Linux,Linux GPL,Linux Open Source,Mac OS X,Mac OS X 10.4,Mac OS X 10.5,Win Vista

Encrypted Voice-over-IP using an utterly paranoid level of encryption.
License: Freeware
OS Support: Win98,WinME,WinNT 4.x,Windows2000,WinXP,Windows2003,

Easy to use Free SIP Softphone for voip providers.
License: Freeware
OS Support: Windows2000,WinXP,Windows2003,Win Vista

Automatic voice autoresponder Simple and configurable.
License: Shareware
OS Support: Win95,Win98,WinME,WinXP,WinNT 4.x,Windows2000,Windows2003,Unix,Linux,