Simulate APIs, integrations, and environments at enterprise scale.

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

Design, debug, and test APIs locally or in the cloud

Voiden is a developer-first API client with local storage, Git-integrated, all based on markdown + offline support.

RapidAPI for Mac is a full-featured HTTP client that lets you test and describe the APIs you build or consume. It has a beautiful native macOS interface to compose requests, inspect server responses, generate client code and export API definitions.

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