
Description: DecodeChess is a free and open-source chess software for analyzing games and game records. It features an intuitive graphical interface allowing users to explore historical matches and games, and study openings, strategies, tactics and endgames.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: GameKnot is a free online chess server that allows players to play chess games, participate in tournaments, solve puzzles, and analyze games. It has a large community of chess players and features various playing levels from beginner to master.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API