
Description: TuxGuitar is an open-source, cross-platform guitar tablature editor software. It allows users to create and edit guitar or bass tablature as well as sheet music. Key features include multi-track editing, tablature editing tools, effects and amplifiers, MIDI importer/exporter and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Denemo is an open-source music notation editor for Linux that allows you to quickly and easily create musical scores. It supports standard notation, guitar tablature, and lyrics.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API