Postman is an API platform for building and using APIs. Postman simplifies each step of the API lifecycle and streamlines collaboration so you can create better APIs—faster.

An open source Ruby library for automating tests.

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

Automate API workflows. Chain HTTP requests. Validate. Zero code.

Use Espresso to write concise, beautiful, and reliable Android UI tests.

QA Sphere is an all-in-one test management tool for manual and automated testing. It offers features like test case management, issue tracking, and test planning, helping teams streamline testing processes and ensure software quality.