What are some alternatives?
When comparing Sibelius and Rosegarden, you can also consider the following products
MuseScore - 24 Sep 2012 . Design a homepage that captures attention and serves as a good starting point for navigating the website.
Guitar Pro 7 - Create, play and share your tabs
Finale - Finale, the world standard for music notation software, lets you compose, arrange, notate, and print engraver-quality sheet music.
TuxGuitar - A Multitrack tablature editor and player.
Flat - Online collaborative music score editor
LilyPond - GNU LilyPond is a computer program for music engraving.