
Description: PlayFab is a backend service platform that provides live game operations, player insights, content management, player impact, economy management and more for game developers. It allows developers to focus on building great games while PlayFab handles servers, analytics, and other services.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: emitter.io is an open-source real-time messaging service for connecting online devices. It enables real-time data streaming between clients via TCP and WebSocket protocols. emitter.io is lightweight, scalable, and optimized for speed.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API