MuseScore is cross-platform, multi-lingual, open source music notation software. If you are a musician, teacher or composer interested in generating your own sheet music, MuseScore makes it very easy and offers most of the same features you'll find in the proprietary software. It features an easy to use WYSIWYG editor with audio score playback for results that look and sound beautiful. It supports unlimited staves with up to four voices each, dynamics, articulations, lyrics, chords, lead sheet notation, import/export of MIDI and MusicXML, export to PDF and WAV, plus online score sharing. It supports Windows, Linux, and OS X operating system.