
Description: GraphQLZero is an open-source GraphQL API mocking tool and server. It allows developers to quickly mock GraphQL APIs for testing and prototyping purposes without needing to write a real production API.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PostGraphile is an open-source GraphQL API server for PostgreSQL databases. It allows you to instantly create a GraphQL API for an existing PostgreSQL database without writing any code. It is highly performant, secure, and customizable.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API