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Seamly2D for Mac

Pattern making software

Quick answer: Seamly2D is a utility for macOS. Install it with brew install --cask seamly2d. Homebrew links this app to a GitHub repository. It has 21 Homebrew installs in the last 30 days.

What Seamly2D is

Seamly2D is a utility for macOS: pattern making software.

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://seamly.io/.

How to install Seamly2D

  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 seamly2d.

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 Seamly2D on Mac?

Run brew install --cask seamly2d in Terminal. This requires Homebrew; if you do not have it, install it first with the command below.

Is Seamly2D open source?

Homebrew links this app to a GitHub repository (FashionFreedom/Seamly2D), which is strong evidence the project is open source. Check the project for the current licence.

Does Seamly2D run on Apple silicon?

Yes, as a universal binary.

How popular is Seamly2D?

It was installed 21 times in the last 30 days according to Homebrew analytics, ranking #6467 in this catalogue.

What version of Seamly2D is current?

The latest packaged version is 2026.10.20.1823.