Denemo is a free software (GPL)
music notation editor for GNU/Linux, Mac OSX and MS
Windows that lets you rapidly enter notation which it
displays beautifully typeset by the LilyPond music
engraver.
New features in version1.0.6:
Direct
import of music XML.
Improved
Rhythm Entry
Combined
Key Signatures
Search and
Edit
More
Wysiwyg facilties
Adjust
padding of fermata, trills etc
Various
other changes and fixes
Denemo itself does not engrave the music - it uses
LilyPond which generates beautiful sheet music to
the highest publishing standards. Denemo just
displays the music so you can enter and edit the
music efficiently.