Open source alternatives to Screen Charm

By GitHub stars it is OBS Studio, with 79,517 stars and a commit on 11 Nov. Choose OBS Studio when you want free exports and multi-source scenes with webcams and capture cards, not a $79 licence to export. Next come BlitzRecorder (54 stars).

Yes. The code of all 2 is public under GPL 2.0 or later or AGPL 3.0, so you can use them with no licence fee. Running one yourself costs the server and your time to look after it, and some makers also sell a hosted plan.

Start from the job you use Screen Charm for. Choose BlitzRecorder when you want vertical and landscape videos from one take plus one-click pause removal, free and open source instead of a paid licence.

All 2: OBS Studio and BlitzRecorder. Each tool's page says what it needs to run.

All 2 we track had a commit in the last 30 days, among them OBS Studio and BlitzRecorder. A recent commit shows the project is kept up, not that it will stay that way.

GPL 2.0 or later (1), AGPL 3.0 (1). GPL and AGPL ask you to share your changes under the same licence when you give the software to others, and AGPL also counts letting people use it over a network.

The hosting. Screen Charm's maker runs the servers for you; with an open source tool the updates, backups, security fixes and support are yours, unless you take the maker's hosted plan. Features differ too, so check what each one imports and exports before you move your data.