
Description: Metronome Online is a free web-based metronome that provides a precise beat to help musicians practice and keep tempo. It is fully customizable with adjustable BPM, time signatures, and subdivision beats.
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