Sipdroid

Free and open-source SIP/VoIP Client

CSipSimple

CSipSimple is a SIP application for android devices.

Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for…

Open-source video calling and chat platform.

Virtual phone system that lets you run your business from anywhere.

Get the latest, headlines, breaking, regional news fast.

Phoner provides business owner, sales people, lawyers, doctors, police officers and others with a…

PhonerLite enables your PC to use it for internet telephony (VoIP , Voice over IP, SIP).

The open-source cross-platform video calling and instant messaging app from QuickBlox

Fast, simple & secure messaging. Privacy that fits in your pocket.

Try Skype Lite today. The new Skype built for India to help you stay connected on the go!

Desktop client for Google Hangouts

Cross-platform VoIP softphone dialer for SIP and IAX systems