Mockoon is the easiest and quickest way to design and run mock REST APIs.

Playwright enables reliable end-to-end testing for modern web apps.

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

Build and run powerful mobile iOS and Android tests directly from your browser.

All-in-one test management solution for both manual and automated software testing

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