* https://github.com/aiortc/aiortc (Python)
* GStreamer’s webrtcbin (C)
* https://github.com/shinyoshiaki/werift-webrtc (Typescript)
* https://github.com/pion/webrtc (Golang)
* https://github.com/webrtc-rs/webrtc (Rust)
* https://github.com/awslabs/amazon-kinesis-video-streams-webr... (C/Embedded)
* https://webrtc.googlesource.com/src/ (C++)
* https://github.com/rawrtc/rawrtc (C++) * https://github.com/sipsorcery-org/sipsorcery (C#)
* https://github.com/paullouisageneau/libdatachannel (C++)
See https://github.com/sipsorcery/webrtc-echoes for examples of all of them running against each other.
Btw you need to check the links the AWS one is broken, and rawrtc has had only a few commits over the last few years. Also neither of those is compared in the webrtc-echoes.