Video Streaming Servers
Red5
https://www.red5pro.com/open-source/
MistServer Open Source
https://www.mistserver.org/opensource
Kurento Media server
https://www.kurento.org/
Streamhash
ClipBucket
https://clipbucket.com/
OBS Studio
https://obsproject.com/download
References
https://www.how2shout.com/tools/free-best-open-source-video-streaming-servers-software.html