4.1
Free VoIP app with SMS
4.3
Telegram for Windows: A powerful, highly functional chatting application
3.9
A free communication app for everyone
3.8
Skype: Bridge the distance, connect to the world
3.7
Video chat, texting and instant messaging in one
A simple but feature-packed communication tool
Call and send messages for free
A versatile and free messaging app
4.9
Free softphone application
A great social-messaging and calling app
3.6
One of the best communication apps for businesses
3.5
An introduction to VoIP
Free messenger and VoIP for Windows
A free chat app for all your contacts
Free video conferencing app
The best messaging app for teamwork.
The Tango app for your PC