1)   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.

 2)   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.

 3)   PeerMe 0.9.6
PeerMe has developed an instant messaging platform which supports Peer to Peer Voice, PC to PC and PC to handheld voice communications, instant messaging, and peer-to-peer file transfer all over public Internet connections.