
Description: Challenger Comics Viewer is a free, open-source comic book reader software for Windows, macOS and Linux. It allows users to view and organize their digital comic book collections with features like library management, smart collections, reading lists and cloud sync.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Aidoku is an open-source Sudoku puzzle game and solver. It features a simple interface for playing Sudoku puzzles of varying difficulty levels. The software includes hints, automated solving, and the ability to generate new puzzles.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API