Ranorex Studio supports test automation on a broad array of platforms, from legacy desktop applications to the latest web and mobile technologies. Ranorex Studio tools help teams automate faster, identify defects, and reduce test maintenance, so that you can focus on delivering quality applications.
Postman - The Collaboration Platform for API Development
TestComplete - TestComplete Desktop, Web, and Mobile helps you create repeatable and accurate automated tests across multiple devices, platforms, and environments easily and quickly.
StopLight - Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality in your API lifecycle, all with an easy, enjoyable developer experience.
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
Mockoon - Mock servers in seconds
soapUI - SoapUI Pro is one of the most prominent API testing platforms around, allowing developers to quickly prototype the functions of their apps and get them to market with little hassle.