A free instant messaging and collaboration software based on the Matrix protocol. Freemium • 226 alternatives • 398 likes
An instant messaging app that provides online text message and video chat services. Freemium • 300 alternatives • 2536 likes
Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo! Free • 195 alternatives • 422 likes