
Description: Simple Sudoku is a free, open-source sudoku puzzle game. It has a basic interface that allows users to generate new puzzles with multiple difficulty levels and solve puzzles using typical sudoku rules.
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