
Description: ChessRoots is a free and open source chess software for studying and analyzing chess games. It features game databases, analysis engine integration, ability to add annotations and variations to games, and exporting games in PGN format.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Lichess is a free and open-source chess server for playing chess online. It allows users to play anonymously against other players or friends in real-time or through correspondence games. Key features include analysis tools, puzzles, lessons, and tournaments.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API