
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Chesser is a free and open-source chess game for Windows, macOS and Linux. It features 2D and 3D graphics, online multiplayer support, computer opponents with various strength levels, editing and importing positions, and analyzing games.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API