
Description: FCEUX is a free, open source emulator for playing and developing 8-bit Nintendo Entertainment System (NES) games. It supports playing NES ROM images and NES game development with an integrated assembler, disassembler, debugger, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: VirtuaNES is a free, open source Nintendo Entertainment System (NES) emulator for Windows and Linux operating systems. It aims to emulate the NES hardware as accurately as possible while offering features like save states and configurable input controllers.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API