
Description: API Platform is an open-source PHP framework to build modern web APIs. It allows creating hypermedia and GraphQL APIs in minutes using entities and annotations. It handles API resources validation, serialization, filtering, pagination, CORS, etc. out of the box.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Sanity.io is an open source content platform that lets you build structured content models in the Sanity Studio, and query that content through a GraphQL or GROQ API. It's optimized for speed and built for developers and content teams.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API