
Description: GraphQL Playground is an interactive IDE for working with GraphQL APIs. It allows developers to explore and test GraphQL schemas by sending queries, mutations, and subscriptions. Key features include auto-generated docs, GraphiQL editor, headers configuration, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API