liteicon (deprecated)

Install command: 
brew install --cask liteicon

Name: LiteIcon

Tool to change system icons

https://freemacsoft.net/liteicon/

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

Cask code: liteicon.rb on GitHub

Current version: 4.1

Current version requires: macOS >= 10.11

liteicon is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
    softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Versions:

Intel sequoia 4.1
sonoma 4.1
ventura 4.1
monterey 4.1
big sur 4.1
catalina 4.1
mojave 4.1
high sierra 3.9
sierra 3.7.1
el capitan 3.7.1

Analytics:

Installs (30 days)
liteicon 17
Installs (90 days)
liteicon 43
Installs (365 days)
liteicon 109
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