
Description: Hitori is a logic puzzle game where the goal is to black out duplicate numbers on a grid so that each number only appears once per row and column. It has a simple, minimalist interface allowing users to focus on solving puzzles.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Get Sudoku is a free sudoku puzzle game and solver. It generates endless sudoku puzzles to play with multiple difficulty levels. It also includes hints and an automatic solver to help you when you get stuck.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API