
Description: Open Metronome is a free, open source metronome that runs in your web browser. It allows musicians to practice and keep time with a customizable beat of their choosing for free without the need to install any additional software or apps.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Guitaroid is a guitar tab and chord editor, organizer and player for Windows. It allows guitarists to easily create, view, play, print and share guitar tabs and chord charts.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API