
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: XBoard is a popular open-source chess interface for playing and analyzing chess games. It supports chess engines for computer opponents and has features like game databases and analysis tools.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API