My bias is that I am interested in doing this for
As such I might have auditioned the wrong assortment of tools for, e.g. twitch gamers.
Richard Zach gives us a set of recommendation for screencasting/conferencing that actually run on Linux, which is necessary for me since it looks like I won’t have the money to fix my Mac any time soon.
OBS is a maximalist open-source screen broadcasting package that does everything including running VST effects on your audio stream. Oriented to live use. Somewhat quirky. Windows/Mac/Linux. Linux support is reportedly restricted by choppy support in Wayland, the modern windowing system.
sudo add-apt-repository ppa:obsproject/obs-studio sudo apt update sudo apt install obs-studio
Kazam is a minimalist screencaster for linux.
Manycam seems to be… like OBS but costs money?
Plugging fancy screen broadcasting tools (or indeed arbitrary video streams) into you webcam-using video conferencing system is a popular ask.
General video routing
See video routing.