1)   sharpVoice(tm) Client 6.0
sharpVoice is a internet telephony program that enables free PC-to-PC and inexpensive PC-to-Telephone voice conference calls even with slow internet connections.

 2)   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.

 3)   Solution4VOIP VoipSwitch 2.0.0.955
Solution4VOIP (The VOipSwitch Solution provider) is a complete IP telephony platform using which you can offer a variety of services such as: wholesale Voip termination, device to phone (NAT support) , pc to phone, web to phone , calling cards, SMS/ANI/WEB callback , DIDs’ mapping , callshops, for details visit our website http://solution4voip.com

 4)   BeyondPhone 2.4.1.0
BeyondPhone is future of internet telephony. You can make substantial savings on every outgoing call. Call anywhere in the world from your computer. For high call clarity and low calling rates , for details visit our website http://beyondphone.com