
Description: Hearthstone is a free-to-play digital card game from Blizzard Entertainment set in the Warcraft universe. Players can build decks from hundreds of cards and battle against opponents in fast-paced, turn-based duels.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Magarena is an open source Magic: The Gathering simulator and AI development platform. It allows players to build decks and battle AI opponents or other players online. Key features include deck building, rules enforcement, AI opponents, and online play.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API