What are the open source frameworks for WebRTC?

WebRTC stands for web real-time communication. It is an open-source protocol to enable plug-in free realtime audio and video communication. This framework allows peer to peer communication without the use of any plugin or needs to install third-party apps. WebRTC has been available in chrome, Safari , firefox, opera, and many more browsers.there are many open-source frameworks used in build application for WebRTC such as Jitsi videobridge, Janus Kurento and so on.