Best "simple" screen capturing app (Mac and Windows) because it creates animated gifs that attach to bugs easily. Simple because it works a lot like snippy to capture screen areas

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

Generate new testing projects hassle-free. Ready for IDE instantly

Hoppscotch is an open-source API development ecosystem that helps you create and test your API requests saving precious time in development.

Free & OpenSource REST API Testing Tool for all levels in a Test Pyramid

Robotium is an Android test automation framework that has full support for native and hybrid applications.