
Description: Randoku is a free, open-source Sudoku puzzle generator. It creates randomized, solvable Sudoku boards of varying difficulty levels that can be printed or used in games and apps. Randoku uses constraint programming algorithms to ensure logically valid puzzles.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: LinkAce is a link management software that allows users to organize, track, and share links from across the web. It provides features like smart folders, Chrome extension, bulk editing tools, and analytics.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API