Download of ColoFolX 1.3.1 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
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. The actual developer of this software for Mac is Trollin. The software lies within Theming Tools, more precisely Icons & cursors.
From the developer:
ColoFolX is a compact icon tool specialized in coloring folders: just drop one or more folders to a color cell on the main panel. You can also use the app as a Finder service in 3 steps: right-click (ctrl-click) a folder in the Finder, select "ColoFolX" in the contextual menu, and click a color cell on the ColoFolX main panel. Certainly, cell-editing is possible: modify color, add, remove, resize and reorder.
You may want to check out more software for Mac, such as ColoFolXS, which might be similar to ColoFolX.