
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: 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