Mighty MIDI is a lightweight MIDI player for OS X and is donationware. I don't expect anything, but if you want to help contribute to the "Starving Programmer's New Mac Fund", you can do so. If you have any comments, questions, suggestions, or bugs to report, feel free to e-mail me.
RequirementsMac OS X 10.2 or later
Similar SoftwareOpen Comparison
Suggest Other Similar Software