Sibelius - Sibelius is a virtual score creation tool which allows composers to easily create new piano scores, developed by Avid.

Inkshares - Tinder for book ideas

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.

Reedsy - Reedsy is a complete book publishing platform with an elegant, collaborative online editor.

Finale - Finale, the world standard for music notation software, lets you compose, arrange, notate, and print engraver-quality sheet music.

PublishDrive - Self-publishing platform for business-driven indie authors.