Communication

Title	Link
Retroshare - Secure communication for everyone	http://retroshare.cc/
uTox - Tox client	http://utox.org/
Tox - A new kind of instant messaging	https://tox.chat/
Comparison chart of all available IRC clients	http://en.wikipedia.org/wiki/Comparison_of_Internet_Relay_Chat_clients
Official Mumble Website	http://wiki.mumble.info/wiki/Main_Page
Official Mumble Project Page	http://sourceforge.net/projects/mumble/