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.
Guitar Pro 7 - Create, play and share your tabs
StaffPad - Write music naturally on your Windows Surface Tablet.
Finale - Finale, the world standard for music notation software, lets you compose, arrange, notate, and print engraver-quality sheet music.
Dorico - Dorico redefines the gold standard in scoring software.
LilyPond - GNU LilyPond is a computer program for music engraving.