MuseScore

MuseScore is a music notation program for Windows, macOS, and Linux supporting a wide variety of file formats and input methods. It is released as free and open-source software... Wikipedia

• Original author(s):  Werner Schweer
• Developer(s):  MuseScore BVBA
• Initial release:  September 02, 2002
• Written in:  C++, Qt, QML
• Operating system:  Windows 7 and later, Linux, macOS 10.10 and later
• Platform:  x86-64 (Windows, Linux and macOS), IA-32 (Windows only)
• Size:  102 to 161 MB
• Available in:  Fully supported in 16 languages
• Type:  Scorewriter
• License:  MuseScore 0-3: GPL-2.0-only with font exception and proprietary (online and mobile), MuseScore 4: GPL-3.0 with font exception and proprietary (online and mobile)
• Website:  Software, Music repository
• Data source:  DuckDuckGo