
Description: GNUitar is an open-source digital guitar tuner application for Linux. It allows guitarists to accurately tune their instruments using their computer's microphone or an external input.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ToneLib GFX is a free amp and effects modeling software for guitar and bass. It features realistic simulations of vintage and modern amplifiers, cabinets, stompboxes, and rack effects units with an easy-to-use graphical user interface.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API