Download of Phenomena 3.1.2 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 program lies within Audio & Video Tools, more precisely Players.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This Mac app was originally designed by einstein's legacy v2.0, LLC.
From the developer:
Phenomena is a quartz composition player that lets you access your composition’s parameters without needing an editor to update your compositions for different playback situations. Phenomena is an essential application for VJs, kiosk builders and digital signage designers.
You may want to check out more Mac applications, such as Twilight Phenomena: The Lodgers of House 13 CE, Twilight Phenomena: Strange Menagerie or Twilight Phenomena: The Lodgers of House 13, which might be related to Phenomena.