
Description: ChessX is an open-source chess database and analysis program for Windows, Linux, and macOS. It allows users to manage chess games and positions, study openings, analyze games, and play against chess engines. ChessX has extensive search features, statistical overviews, graphic annotation, spellchecking, and more.
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