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wtf is homebrew-cask?

skevy/homebrew-cask — explained in plain English

Analysis updated 2026-07-17 · repo last pushed 2017-06-17

RubyAudience · developerComplexity · 2/5DormantSetup · easy

TL;DR

A Homebrew extension that lets you install Mac GUI apps (like Chrome or Slack) with one typed command instead of manual downloading and dragging.

Mindmap

mindmap
  root((homebrew-cask))
    What it does
      Installs Mac apps via command
      Skips manual download drag
      Verifies file checksums
    Tech stack
      Ruby
      Homebrew
    Use cases
      Script new Mac setup
      Standardize team machines
      Manage GUI and CLI tools alike
    Audience
      Developers
      Teams setting up Macs
      Frequent machine switchers

Code map

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filefunction / class

Why would anyone build with this?

REASON 1

Install Mac GUI apps like Chrome or Slack from the terminal.

REASON 2

Script a complete software setup for a new Mac.

REASON 3

Maintain standardized app configurations across a team's machines.

What's in the stack?

RubyHomebrew

How it stacks up

skevy/homebrew-cask100rabhg/masterdetailapp100rabhg/pizzafactroy
LanguageRubyRubyRuby
Last pushed2017-06-172024-02-202025-01-26
MaintenanceDormantDormantStale
Setup difficultyeasymoderatemoderate
Complexity2/52/53/5
Audiencedeveloperdeveloperpm founder

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · easy Time to first run · 5min

Requires Homebrew already installed.

Yoink these prompts

Prompt 1
Show me the brew cask install command for setting up a new Mac with Chrome, Slack, and Atom.
Prompt 2
Write a shell script that uses homebrew-cask to install a standard list of Mac apps.
Prompt 3
Explain how homebrew-cask verifies an app's checksum before installing it.

Frequently asked questions

wtf is homebrew-cask?

A Homebrew extension that lets you install Mac GUI apps (like Chrome or Slack) with one typed command instead of manual downloading and dragging.

What language is homebrew-cask written in?

Mainly Ruby. The stack also includes Ruby, Homebrew.

Is homebrew-cask actively maintained?

Dormant — no commits in 2+ years (last push 2017-06-17).

How hard is homebrew-cask to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is homebrew-cask for?

Mainly developer.

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