
Description: ChessX is an open-source chess database and analysis program for Windows, Linux, and macOS. It allows users to manage chess games and positions, study openings, analyze games, and play against chess engines. ChessX has extensive search features, statistical overviews, graphic annotation, spellchecking, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: OpeningTree is open-source mind mapping and brainstorming software. It allows users to visually organize ideas, tasks, and projects into interactive maps. Key features include real-time collaboration, markdown support, and easy sharing and exporting.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API