Bruno is a Fast and Git-Friendly Opensource API client, aimed at revolutionizing the status quo represented by Postman, Insomnia and similar tools out there.

k6 Open Source is designed for load testing. Extensible to support other types of testing.

Use Espresso to write concise, beautiful, and reliable Android UI tests.

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

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

An open source JS tool for image analysis and comparison. A successor of PhantomCSS.