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.

ReadyAPI is a low-code API testing platform for development teams that care about creating test automation across any workflow.

Requestly is an open-source tool that simplifies API development, testing, mocking, and integration for developers and QAs.

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