4
Free calls from your PC to anywhere in the world
4.1
Your site to talk with friends and communities
3
Phone Calls: A Full Version Web Browser for Windows
4.3
A simple but feature-packed communication tool
4.2
WhatsApp for Windows: A convenient desktop messaging application
Telegram for Windows: A powerful, highly functional chatting application
Free VoIP app with SMS
3.5
An introduction to VoIP
3.7
Change screen brightness with a click or a keyboard shortcut
3.8
Manages a remote work team.
3.9
Free messenger and VoIP for Windows
Skype: Bridge the distance, connect to the world
LINE - A freeware instant messaging application
Teaches typing to people of all abilities
4.9
Free softphone application
3.4
Call your online friends for free
A monster-collecting adventure game