Download of MIDITrail 2.7.0.874 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The unique ID for this application's bundle is jp.sourceforge.users.yknk.
MIDITrail for Mac lies within Audio & Video Tools, more precisely Music Production. This free Mac app is a product of jp.sourceforge.users.yknk. You can launch this free program on Mac OS X 10.5 or later. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The most popular version among the application users is 1.2.
From the developer:
MIDITrail is a MIDI player which provides 3D visualization of MIDI data sets.
You can enjoy not only listening but also viewing.
MIDITrail supports Standard MIDI File (format 0/1), and multiple MIDI ports.
Quick Start
1. Click "Option" -> "MIDI OUT...", select "Apple DLS Music Device" to Port A.
2. Drop your MIDI file into the window.
3. Push space key to play/pause, and push ESC key to stop.
You may want to check out more software for Mac, such as UVIWorkstation, iRingtones or Claviatura, which might be related to MIDITrail.