
Description: ChessRoots is a free and open source chess software for studying and analyzing chess games. It features game databases, analysis engine integration, ability to add annotations and variations to games, and exporting games in PGN format.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Brutal Chess is a free, open-source chess engine for Windows, Linux and Android. It plays at grandmaster level and has customizable difficulty settings. Useful for analyzing games and improving chess skills.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API