Workflowy is a simple, focused bullet-list tool. As a Test Engineer, it's a flexible notebook for organizing work. It minimizes distraction, allowing quick structuring of test cases, plans, and exploratory notes.

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.

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

Exploratory testing assistant for Chrome and Firefox. Adds common problematic values and edge cases to the context menu (right-click) for editable elements, so you can keep them handy and access them easily during exploratory testing sessions.

Robot Framework is a generic open source automation framework. It can be used for test automation and robotic process automation (RPA).