SeleniumBase Case Plans is Test Case Management Software that uses Markdown tables for displaying test plans directly in GitHub (and other source code management systems that support Markdown format).

Mock and modify HTTP request for exploratory testing.

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

Built for developers and testers alike, SoapUI is the only open source tool that covers the entire testing spectrum (functional, security, load, mocking).

The world’s first API testing platform that auto-generates unit test cases with dependency mocks from API calls. Using advanced AI, it simplifies test creation, debugging, and evolution, ensuring comprehensive coverage and boosting software quality.

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.