Download MidiSwing 0.3.6 for Mac from our website for free. The software is categorized as Audio & Video Tools. This free Mac app was originally developed by Pascal Naidon.
From the developer:
MidiSwing can communicate with external midi devices such as keyboards or sound modules.
You may want to check out more Mac applications, such as Radiologik DJ, Lounge Lizard Session or Bigasoft iPhone Ringtone Maker, which might be similar to MidiSwing.