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act for Mac

Run your GitHub Actions locally

Quick answer: act is a command-line tool for macOS. Install it with brew install act. It is distributed under the MIT licence. It has 2,011 Homebrew installs in the last 30 days.

What act is

act is a command-line tool for macOS: run your GitHub Actions locally.

It is distributed as a Homebrew formula, which builds or pours a binary and puts it on your PATH. It is distributed under the MIT licence.

How to install act

  1. Open Terminal (press ⌘ + Space and type “Terminal”).
  2. If Homebrew is not installed yet, run the installer below once.
  3. Run brew install act.

Homebrew installer, if you need it:

Prefer a graphical installer? Download it from the official site. MacPicks never hosts or mirrors binaries — the Homebrew command always pulls from the vendor's own release.

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Frequently asked questions

How do I install act on Mac?

Run brew install act in Terminal. This requires Homebrew; if you do not have it, install it first with the command below.

Is act open source?

Yes — Homebrew distributes it under the MIT licence.

Does act run on Apple silicon?

Homebrew publishes this formula for macOS. If upstream does not ship an Apple silicon build, Rosetta 2 handles the Intel binary.

How popular is act?

It was installed 2,011 times in the last 30 days according to Homebrew analytics, ranking #661 in this catalogue.

What version of act is current?

The latest packaged version is 0.2.89.