Whether you're a beginner or a professional composer, our user-friendly music composition software gives you all the tools that you need to make your own sheet music. You can write, listen, share and discover music scores right in your web browser on any device.Start your First Score
Invite your friends to compose your music scores online collaboratively. A single musical composition can be opened and edited in real time by multiple people using different devices at the same time (even if you want to write the new Top Charts with 1000 collaborators).Start your First Score
Every single day, thousands of new composers and musicians join Flat. Share your music scores with them and discover the best creations made by our community.
Note after note, all the modifications that you make on Flat are saved in your account.
Push your composition experience to the next level with Live MIDI and MIDI Output.
Keep working when you lose your Internet connection, we will synchronize your work once you are back online.
Create your own tablature or generate them from an existing music notation.