Free and open source software for video recording and live streaming. Windows, Mac or Linux.

I heard about it just recently, and in short order stumbled on a number of interesting ideas:

• The OBS Screen Timer Zoom Trick, CogDog
• OBS Livestreaming vs Zoom for Dynamic A/Synchronous Teaching, anth101
• Hosting Studio20 using OBS with Zoom, EdTechFactotum
• Recorded livestream on how to set the foundation for your OBS Studio setup, stream starts at 3:18, starts talking about OBS studio at 6:25. Eric Nantz shares best practices and tips for showcasing R analyses. Via R Weekly 2021-W28.

Podcast (Hanselminutes) with OBS project lead Hugh Bailey (July 2020)

Plugins

https://obs.ninja