MuseScore is great. Watch this recent episode of FLOSS weekly for interview with the developers: <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=iyrRvF1iO4I" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=iyrRvF1iO4I</a>