Freeware: Softphone

Adore Softphone 2.0Adore SIP softphone comes with an intuitive Graphical User Interface and can be easily customized. It's designed with SIP technology that can be used to make outbound phone calls from PC to any telephone.

Xtenn softphone 1.01Xtenn softphone makes call Pc to landline and Mobile phones internationaly at very cheap rates

OfficeSIP Softphone 1.0.5OfficeSIP softphone is an audio / video softphone for Windows primarily for use in business scenarios, offering you an efficient and easy way of communication for free.

Adore Softphone for MAC 1.1Adoresoftphone for MAC, will strategically add the power of live voice communication to any MAC PC to Phone and MAC PC to MAC PC.

Phoner 2.13Phoner is a free softphone for ISDN and VoIP telephony. An answering machine and Text-To-Speech support complete the large package.

IDEFISK 1.33IDEFISK Free Edition is a user-friendly IAX2 softphone for the Asterisk platform, gaining more and more interest all over the world. IDEFISK Free Edition is available for Windows, Linux and Mac.

Express Talk VoIP Softphone 1.00Express Talk is software that works like a telephone to let you make calls from your PC. With Express Talk you can call anyone on the internet who has installed Express Talk (or any other SIP voip softphone ). Calls are free.

X-Lite 2.0SIP softphone with PBX-like features. X-Lite is a SIP softphone with many PBX-like features. Open standards-based design allows for maximum network interoperation and integration. VoIP networks are expanding at a blistering pace, X-Lite is ready.

PhonerLite 1.56Easy to use VoIP softphone with profile and contact management. PhonerLite can be used, copied, and offered for download again without any fees in private and business environments. But PhonerLite is no open source.

3CXPhone FREE VoIP Phone for Windows 4.0Free VOIP / SIP phone ( softphone ) for Windows. Use your PC as a phone. Works with popular VOIP providers and SIP PBX's (including 3CX Phone System). Easy to use&light weight. Full version, not a lite version! Free download from http://www.3cx.com

All in One System 1.1AdoreInfotech believes in offering its customers with advanced technology solutions.

Howdy Softphone 0.9bFree international calls to any Howdy users in the worldWork under 98% of NAT/firewalls without adjust any settingDivert calls to any other phone in th world, even if you computer is off.

Firefly Softphone 1.7FireFly is great for family, friends and business people to talk to each other anywhere in the world while connected to the internet.