
Description: UltraStar Deluxe is a free and open source karaoke singing game. It allows users to sing along to music tracks and scores them based on accuracy. Supports many customizable features, has an active community, and works on Windows/macOS/Linux.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Kanto Karaoke is a free, open-source karaoke software for Windows, Mac and Linux. It allows you to play and manage a library of karaoke songs, display lyrics with highlighting, and record audio.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API