Unifying API testing, API Performance testing, API Mocks and UI testing.

Real API Design-first Development Platform Design. Debug. Test. Document. Mock. Build APIs Faster & Together.

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

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

Hand-crafted lightweight Rest Client for testing APIs. Supports collections, environments, git collaboration and local storage.

Selenium automates browsers. That's it! What you do with that power is entirely up to you.