MIDIPlayer X 3.1.1 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The application lies within Audio & Video Tools, more precisely Players. The actual developer of this Mac application is MethodRed Technology LLC.
From the developer:
MIDIPlayer X is an application that plays any standard MIDI file. The program works with virtually all commercial MIDI hardware and software tools. It will locate all available MIDI outputs, both hardware and virtual, so you can select your desired audio source. MIDIPlayer X includes its own software synthesizer.
You may want to check out more software for Mac, such as MIDIPlayer, Sweet MIDI Player or MIDI Player & Converter, which might be related to MIDIPlayer X.
Players