candybar

Install command: 
brew install --cask candybar

Name: CandyBar

Tool to manage file icons

https://blog.iconfactory.com/2022/04/candybar-sugar-free-edition/

Cask JSON API: /api/cask/candybar.json

Cask code: candybar.rb on GitHub

Current version: 3.5

Current version requires: macOS >= 10.11

The vendor offers a free license for candybar at:
    https://panic.com/bin/setup.php/cb3/PPQA-YAMA-E3KP-VHXG-B6AL-L

Versions:

Intel catalina 3.3.4
mojave 3.3.4
high sierra 3.3.4
sierra 3.3.4
el capitan 3.3.4

Analytics:

Installs (30 days)
candybar 6
Installs (90 days)
candybar 13
Installs (365 days)
candybar 38
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