A modern, resource-friendly REST client for Windows 10

Simulate APIs, integrations, and environments at enterprise scale.

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

HyperTest is a no-code test automation tool that regresses all your APIs by auto-generating integration tests using your network traffic, also giving a way to reproduce these failures inside actual user-journeys.

Browser and Mobile Automation Test Framework for Node.js

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