Open Broadcaster Software (OBS) is an open-source software that is used by streamers and players to record their gameplay and stream online.

The OBS Studio software aids players in screen capturing and live-streaming gameplay of their favorite titles.

You won't be able to select your hardware webcam by accident as OBS Studio has exclusive use of it, so you'll just get a black screen. How to make your webcam look better in OBS Studio ...

Most screen recording tools let you record up to two and sometimes even four hours, but they often end up crashing without recording all the data. This is where open source OBS Studio comes in.