
Description: RetroArch is an open-source, cross-platform frontend for emulators, game engines, video games, media players and other applications. It's designed to be fast, lightweight, customizable and extensible.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: melonDS is an open-source Nintendo DS emulator for Windows, Linux, and macOS. It aims to provide high accuracy and performance, a friendly user interface, and consistent builds across platforms.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API