
Description: PyChess is an open-source chess game and engine GUI. It allows you to play against chess engines like Stockfish or analyze your games. PyChess has various features like move hints, game databases and chess puzzles.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Mobialia Chess is a free mobile chess app for iOS and Android. It has beautiful 3D graphics, online multiplayer, chess tutorials and lessons, puzzles and problem-solving exercises, statistics and analysis, and customizable AI opponents.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API