3.4
Call your online friends for free
3.5
An introduction to VoIP
4.1
Your site to talk with friends and communities
Free VoIP app with SMS
3.9
Free messenger and VoIP for Windows
LINE - A freeware instant messaging application
4.9
Free softphone application
4.3
A simple but feature-packed communication tool
Record any audio effortlessly
3.8
Free VoIP Software for Personal Computers
3
SIP tester is a free VoIP load testing tool to check SIP hardware or software
3.3
Cost-Effective Online Calling Software for International Needs
Premium private communication platform
4.2
Make free phone calls with your computer
Simple, fast and secure desktop sharing
4.4
Free, open-source private messenger
Instant messaging tool