
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: LilyPond is an open source music engraving program that produces publication-quality sheet music. It is cross-platform and used by musicians, music students, composers, and engravers to create professional music scores.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API