Actionhero is a realtime multi-transport nodejs API server
...Actionhero was built to serve the same APIs across multiple protocols. Do your games speak both HTTP and Websockets? Actionhero has got you covered. Actionhero was built from the ground up to include all the features you expect from a modern API framework.
Video mixer for mixing live and recorded video and audio feeds
...Supported for Ubuntu, Mint, Debian, Alma, CentOS, EndeavourOS, Fedora, Mageia, Manjaro, MX Linux, OpenSUSE, RHEL, Rocky and macOS/OS X.
Free support in the discussion forum.
See Snowmix in action on Youtube http://www.youtube.com/user/Snowmix4video