
Description: Twitch Sings was a karaoke game developed by Twitch that allowed streamers to sing karaoke songs live on stream. Viewers could request songs and vote on the streamer's singing. It provided a unique way for streamers to interact with their audience.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API