Jitsi

Jitsi is a collection of free and open-source multiplatform voice (VoIP), video conferencing and instant messaging applications for the web platform, Windows, Linux, macOS, iOS and Android. The Jitsi project began with the Jitsi Desktop (previously known as SIP Communicator). With the growth of WebRTC, the project team focus shifted to the Jitsi Videobridge for allowing web-based multi-party video calling. Later the team added Jitsi Meet, a full video conferencing application that includes web, Android, and iOS clients. Jitsi also operates meet.jit.si, a version of Jitsi Meet hosted by Jitsi for free community use. Other projects include: Jigasi, lib-jitsi-meet, Jidesha, and Jitsi.

Jitsi Meet is a fully encrypted, 100% open source video conferencing solution that you can use all day, every day, for free — with no account needed.

What you can do with it?

 * Share your desktop, presentations, and more
 * Invite users to a conference via a simple, custom URL
 * Edit documents together using Etherpad
 * Pick fun meeting URLs for every meeting
 * Trade messages and emojis while you video conference, with integrated chat.

Links
jitsi.tildeverse.org - tildeverse jitsi meet instance