Free music notation for Linux, Windows and Mac OS X
GNU Denemo is a free music notation program for Linux, Mac OS X and Windows that allows users to create notations for the text-based LilyPond sheet music printer. Composition, transcription, arrangement and playback functions can be controlled using a keyboard, MIDI keyboard or microphone. Among the new features of version 0.9 are unlimited undo and redo capabilities, a MIDI input feature for chords, MIDI shortcuts, mouse-controlled playback speeds, the support of numerous additional LilyPond functions, an import feature for LilyPond files as well as various composition tools such as components for shuffling notes or reversing or mirroring a selection.
Another new release is version 1.0 of MuseScore, a WYSIWYG music notation tool for Linux, Mac OS X and Windows.