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App 29 installs/mo

Pen for Mac

Agentic design canvas

Quick answer: Pen is a design tool for macOS. Install it with brew install --cask pen. The licence is not declared in Homebrew metadata. It has 29 Homebrew installs in the last 30 days.

What Pen is

Pen is a design tool for macOS: agentic design canvas.

It is distributed as a Homebrew cask, which installs a .app bundle into your Applications folder. The project is open source and lives at https://pen.dev/.

How to install Pen

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

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 Pen on Mac?

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

Is Pen open source?

Homebrew's metadata does not declare a licence for this app, so the official site is the authoritative source.

Does Pen run on Apple silicon?

Yes, as a universal binary.

How popular is Pen?

It was installed 29 times in the last 30 days according to Homebrew analytics, ranking #5683 in this catalogue.

What version of Pen is current?

The latest packaged version is 1.2.20.