
Description: Open Sudoku is a free, open source Sudoku game and solver. It has a simple interface for playing Sudoku puzzles of varying difficulty, as well as tools for generating and solving Sudoku puzzles automatically.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Sudoku Easy to Hard Puzzles HD is a sudoku puzzle game app featuring a wide range of difficulty levels, from easy to hard. It has over 5,000 sudoku puzzles and a simple, intuitive interface.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API