Jitsi Meet - Easy and encrypted audio and video calls.
PublishedJitsi Meet1 is a web-based audio and video conferencing platform. It’s open source, free to use, and meetings are encrypted by default. An account is not required - just enter a room name and start talking2.
There is an official public instance everybody can use. A privacy-optimized Jitsi instance hosted by Pharos will soon be available for everyone to use.
Smartphone users will also find the Jitsi Meet app on F-Droid.