
Description: Metronomus is a simple, free metronome application for Windows. It provides a basic interface for selecting tempo and time signature. Useful for musicians practicing at home.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: DaTuner is a free chromatic tuner app for tuning guitars, basses, ukuleles, and other string instruments. It provides an intuitive interface with responsive tuning feedback to accurately tune by ear.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API