A screenshot/screenvideo tool! Also allows you to do basic alterations to the screenshots (arrows, blur, ...)

Render your Android screens without a physical device or emulator.

Checks web UI for browser compatibility (Compliance with Can I Use?)

Free Disposable Temporary Email address Generator

Gatling is a powerful open-source load testing solution that integrates with your development pipeline. It includes a web recorder and colorful reports.

For those more detailed screen recordings like demos as well as bugs. Has a built in editor.