- NoteEdit is a musical score editor for Linux. It can import/export MIDI and MusicXML, export Lilypond, MusiXTeX, PMX and ABC files, read and record from a MIDI keyboard, handle manually entered notation, complex multistaff layouts and lyrics.
- Free • Open Source
Homepage not available. Wikipedia article claims software is "defunct".
- VividTracker is a true Amiga Protracker compatible music tracker for iOS. You can load, edit, save, or create new Amiga modules. It comes with support for AudioCopy, which means you can copy samples from other great apps such as Korg iMS20, Animoog or Propellerhead’s Figure.
- Paid • Proprietary