WebRTC (Web Real-Time Communication) is an API definition drafted by the World Wide Web Consortium (W3C) that supports browser-to-browser applications for voice calling, video chat, and P2P file sharing without the need for either internal or external plugins.
Enables browser to browser media streaming over secure RTP profile
Standardization, on an API level at the W3C and at the protocol level at the IETF.
Enables web browsers with Real-Time Communications (RTC) capabilities
written in c++ and javascript
BSD style license
free, open project available in all major browsers