1) Free instant messaging client
Found on
https://www.crosswordclues.com/clue/jitsi
Jitsi (formerly SIP Communicator) is a free and open source multiplatform voice (VoIP), videoconferencing and instant messaging application for Windows, Linux and Mac OS X. It supports several popular instant-messaging and telephony protocols, including open recognised encryption protocols for chat (OTR) and voice/video/streaming and voice/video c...
Found on
http://en.wikipedia.org/wiki/Jitsi
No exact match found.
