Download 4B Pen

The desktop app for macOS, Windows, and Linux. Free and open source, with nothing to sign up for.

The list of downloads could not be loaded. Every file is on the releases page on GitHub.

Other ways to get it

Homebrew: The signed macOS app from the official cask. Homebrew reviews each update, so it can arrive a little later than here.; brew install --cask openpencil
In the browser: The same editor at app.fourbpen.xyz, with nothing to install.; Open the web app
Command line: Inspect, export, lint, and script .fig files without opening the app.; npm install -g @open-pencil/cli
From source: Build the app yourself with Bun and Rust.; Build instructions