Chat securely with Jitsi

Jitsi is a communications program that allows you to chat securely using well-supported protocols like SIP, XMPP / Jabber, AIM / ICQ, Windows Live, Facebook and Yahoo. You can also make audio and video calls and share or stream your desktop to someone else. Conference calls and call recording are also possible. Most importantly, all of these features can be used together with a strong encryption.

Screenshots: 
What can I use it for: 

Chatting securely with other rights advocates. 

Pros: 

Allows you to integrate various communication protocols into one programme. 

Platform (OS): 
Windows, Mac OSX, Linux
License: 
FOSS
Difficulty: 
Easy
Training Materials: 
Tool category: