iconStiX 4.6 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. This software for Mac OS X was originally produced by T. Loosli.
We recommend checking the downloaded files with any free antivirus. Commonly, this application's installer has the following filename: iconstix.dmg. IconStiX was developed to work on Mac OS X 10.9 or later. The following versions: 3.1, 2.3 and 2.2 are the most frequently downloaded ones by the program users. IconStiX for Mac lies within Theming Tools, more precisely Icons & cursors. The bundle id for iconStiX for Mac is li.loos.trollin.iconStiX.
From the developer:
This app is an easy-to-use custom icon tool to combine and attach images to desktop items. iconStiX is a custom icon tool to combine images, shapes, and text and attach the composition to desktop items such as folder. You can use the app normally or as Finder's services.
You may want to check out more Mac applications, such as Iconic, model2icon or Telling Folders, which might be similar to iconStiX.