OpenWebRTC was an open source project created and maintained by Ericsson. It was abandoned in 2018.
It is an alternative implementation to Google’s WebRTC code base.
Unlike Google’s WebRTC project, which is built out of a proprietary media engine (based on their GIPS acquisition), OpenWebRTC makes use of GStreamer, a popular open source media engine.
OpenWebRTC supports multiple operating systems and has an implementation of both VP8 and H.264 for its video codecs.