HoHo is a universal Cell Phone Ringtones and System MIDI files creator, editor, player & converter. You can edit, play & create ringtones for your cell phone. You can convert them from one cell phone standard to another.
You can convert them to system MIDI sounds to use them as alarms in Date Book, Note Book, etc. or as ringtones for Handspring Treo. You can master your alarms with MIDI Editor plugin (included).
Popular application for managing ringtones.