
Description: Chess Tempo is an online chess training site that features free and paid membership options for chess practice, playing, and analysis. It includes chess tactics, openings, endgames, and allows playing against computer engines or other members.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: JustChess is a free and open-source chess engine for Windows, Linux and Mac. It features 2D and 3D graphics, online multiplayer, game analysis tools, and support for chess variants like Fischer Random Chess.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API