
Description: OpenArena is a free, open source first-person shooter video game. It is a remake of Quake III Arena with new levels, characters and various other enhancements. OpenArena offers fast-paced action and graphics similar to commercial games.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Zandronum is a multiplayer-focused engine port that allows you to play classic Doom games online with others. It builds on the Doom source code to provide features like character classes, player levels, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API