Not sure what they use (you could ask one of them.) Bue we’ve used OBS Ninja for similar things. As far as I remember it works well, has acceptable latency and everything is open source.
Edit: Obviously you have to put in some effort to configure OBS to your liking, make appealing slides etc.
Not sure what they use (you could ask one of them.) Bue we’ve used OBS Ninja for similar things. As far as I remember it works well, has acceptable latency and everything is open source.
Edit: Obviously you have to put in some effort to configure OBS to your liking, make appealing slides etc.
That is absolutely amazing