Jitsi

Jitsi is a free and open-source video conferencing software designed for web and mobile platforms. It offers a range of features, including audio and video communication, screen sharing, and integration capabilities. Jitsi Videobridge ensures high-quality and low-latency communication by passing everyone's video and audio to all participants without mixing them first. The software is used by individuals, businesses, and organizations to facilitate remote communication, collaboration, and virtual meetings. Jitsi Meet, a component of Jitsi, is known for its advanced technology and excellent sound quality, thanks to HD audio. It is widely utilized for various purposes, from personal video calls to large-scale conferences with multiple participants.

https://jitsi.org/