Musical score editor

 NtEd is a GTK+ score editor. It intends to be really WYSIWYG: what you
 see on the screen is exactly what you get on printer output. It supports
 up to 4 voices per staff, drum notes, 5 lyrics lines, N-Tuplets, context
 changes, repeats with alternatives, configurable music instruments per
 staff, MIDI / MusicXML import, PS / PDF / SVG / PNG / Lilypond / MIDI
 export. Scores can be played through the ALSA sequencer.