
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Griddition is a grid-based graphic design application for Windows. It provides an intuitive interface and powerful tools for creating layouts, illustrations, icons, logos and more. Key features include a flexible grid system, shape tools, color palettes and typography controls.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API