
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: Performous is a free and open source singing video game. It allows users to sing popular songs by karaoke over custom background animations and lyrics videos. It is cross-platform working on Windows, Mac and Linux.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API