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midiO is an AudioUnit plug-in for GarageBand adds a modicum of MIDI out support to GarageBand.

What's New

Version 1.3:

  • Passes AU validation under 10.6.
  • Can generate program and bank change messages.


  • Mac OS X 10.4 or later
  • GarageBand.

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Current Version (1.x)


Downloads 15,294
Version Downloads 8,599
License Free
Date 14 May 2010
Platform OS X / PPC 32 / Intel 32
Price Free
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