JSynthLib
- Free universal editor / librarian for Windows, Linux, and Mac OS X.
- http://www.jsynthlib.org/

NoiZe
- Graphical MIDI patch editor and librarian that stores, organizes, and edits system exclusive data for MIDI devices.
- http://www.terzoid.com/noize/index.html

October28 Software
- Shareware software for Korg M1, M3R and a generic sysex manager. There is also a database of system exclusive messages.
- http://www.october28.com/default.asp

Sound Quest
- Software available includes 'Midi Quest' which stores, organizes, and edits data from MIDI instruments and devices.
- http://www.squest.com/