MuseScore.com (also known as the MuseScore Catalog), is the world’s largest online sheet music collection. It is available in your web browser at MuseScore.com — or as a mobile and tablet app for iOS, Android or Huawei devices.
MuseScore 4 is a free composition and notation app. MuseScore 4 is available to download as desktop app at MuseScore.org for macOS, Windows and Linux.
The MuseScore Catalog is for anyone who reads notation, and is searching for music to learn or perform. MuseScore 4 is for composers, arrangers and engravers who want to bring their ideas to life.
But the Catalog and MuseScore 4 are part of one harmonious ecosystem, with a shared community. If you're a composer, you can add your MuseScore 4 creations instantly to the MuseScore Catalog, and find new audiences for your music.