Canorus is a free cross-platform music score editor. It supports an unlimited number and length of staffs, polyphony, a MIDI playback of notes, chord markings, lyrics, import/export filters to formats like MIDI, MusicXML, ABC Music, MusiXTeX and LilyPond
Just a contrib of headers made via an XML to source code library xml generation tool I wont claim to maintain it however It is Intended to Aid and or be absorbed by the XML Resume Library folks hopefully It will aid the development of XML Resume further.