
Description: Frescobaldi is an open source music notation program designed for editing LilyPond files. It provides a simple but powerful graphical interface for writing sheet music with advanced text editing capabilities for LilyPond markup language.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: DGuitar is an open-source software guitar tablature editor for Linux. It allows users to create, edit, play, print, and listen to guitar tablature. Key features include tablature editing, MIDI playback, chord diagrams, and audio export.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API