1)   3CX VOIP Phone for Windows 6.0
Free VOIP / SIP phone (softphone). Use your PC as a phone. Works with any SIP / VOIP provider and phone service. Easy to use interface to transfer, forward calls or review history of calls. Free download from http://www.3cx.com

 2)   Express Talk VoIP Softphone 4.02
Express 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.

 3)   Free Internet Phone 3.0
Globe7 is a free downloadable software integrated with Video phone, IM, & Real time video streaming, powered by online advertising. Globe7 enables you to make free calls from pc to pc, pc to mobile & pc to landline by watching videos in Globe7 TV.

 4)   Best Phone 2.0.0.0
Best Phone is a free downloadable soft phone which enables you to make calls from pc to pc, pc to mobile and pc to landline. Best Pho offers you a free phone number to make free pc to pc calls and receive unlimited free incoming calls from any phone.

 5)   FREE PHONE 2.0.0.0
FREE Phone is a free downloadable soft phone which enables you to make calls from pc to pc, pc to mobile and pc to landline. FREE Phone offers you a free phone number to make free pc to pc calls and receive unlimited free incoming calls from any phone.

 6)   Collanos Phone Mac OS X 1.4.0.2
Collanos Phone is a software-only Voice over Internet Protocol (VoIP) phone and a multi-protocol instant messenger supporting Jabber, MSN, ICQ, AOL, and Yahoo! protocol combined in one application. It is available on Windows, Mac OSX, and Linux.

 7)   PBXPress Live CD Demo 1.1
PBXpress is a voice over IP (VoIP) replacement of traditional PBX in the era of the Internet. All of your phones are connected and provisioned via an IP network, your phone calls are always recorded and connected at a fraction of the usual cost.

 8)   Collanos Phone Linux 1.4.0.2
Collanos Phone is a software-only Voice over Internet Protocol (VoIP) phone and a multi-protocol instant messenger supporting Jabber, MSN, ICQ, AOL, and Yahoo! protocol combined in one application. It is available on Windows, Mac OSX, and Linux.

 9)   Collanos Phone Windows 1.4.0.2
Collanos Phone is a software-only Voice over Internet Protocol (VoIP) phone and a multi-protocol instant messenger supporting Jabber, MSN, ICQ, AOL, and Yahoo! protocol combined in one application. It is available on Windows, Mac OSX, and Linux.

 10)   MizuPhone 1.0.2
You will rethink the industry standard VOIP benefits by using this featured SIP softphone. SIP is better than you may think! Stay connected with multiple SIP service providers to maximize your revenue.