
Description: Sudoku Portable is a free, open-source sudoku game for Windows that can be run directly from a USB drive without needing to be installed. It has a simple, clean interface allowing you to generate new puzzles with varying difficulty levels. Useful for sudoku fans who want a portable app to play on any Windows PC.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Planet Sudoku is a free sudoku puzzle game for Windows, Mac, Linux, iOS and Android. It has a simple, clean interface allowing users to play sudoku at multiple difficulty levels with options to show hints or errors. Good for sudoku fans looking for a no-frills sudoku game.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API