
Description: Sudoku.Vip is a free online sudoku game website and app that allows users to play unlimited sudoku puzzles. It has various difficulty levels, lets you save puzzles, provides hints, and keeps track of time and errors.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Yasminoku is a free and open source Sudoku game. It has basic Sudoku features such as multiple board sizes and difficulty levels. It is available for Windows, Mac, and Linux.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API