MuseScore.org - Create, play back and print beautiful sheet music with free and easy to use music notation software MuseScore. For Windows, Mac and Linux.
Music Memos by Apple - An app to capture your song ideas
Guitar Pro 7 - Create, play and share your tabs
Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
Finale - Finale, the world standard for music notation software, lets you compose, arrange, notate, and print engraver-quality sheet music.
DeepJ - AI-composed piano music in real time