Multicam, Screen recording and casting

Quicktime can be used on Mac for basic screen recording.

https://obsproject.com/da/download

https://apps.apple.com/us/app/recostudio-multicam/id576184759

http://camtwiststudio.com/

http://danielbuechele.github.io/atemOSC/#section3

https://bitfocus.io/companion/

https://github.com/dbkynd/controlcast/blob/master/README.md