Download of MIDI-Monitor 1.5 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 most popular version among the application users is 1.5. We recommend checking the downloaded files with any free antivirus.
This free software for Mac OS X was originally developed by SARAYUTH THAMPOKIN. MIDI-Monitor for Mac lies within Audio & Video Tools, more precisely Editors & Converters. This free application was developed to work on Mac OS X 10.9 or later.
From the developer:
MIDI-Monitor is a lightweight MIDI Data input monitoring application. With this app you can monitor data from all of your MIDI-Controllers, Virtual MIDI Port plus application internal virtual MIDI Port. Also you can copy data in JSON or plain text for uses in your own development.
You may want to check out more software for Mac, such as MIDI Monitor, which might be similar to MIDI-Monitor.