CleanShot X is the best screenshot and screen recording app for Mac with a built-in annotation tool, Cloud uploading, scrolling capture, and a lot more.

OpenShot is an award-winning free and open-source video editor for Linux, Mac, and Windows. Create videos with exciting video effects, titles, audio tracks, and animations.

KeyCastr, an open-source keystroke visualizer. Contribute to keycastr/keycastr development by creating an account on GitHub.