# Desktop app

> Two desktop builds, the signed-in app and Vellum Core, which edits local files with no account.

[blueprintr.io/download](https://blueprintr.io/download) offers two different
builds.

> [!TILES 2]
>
> === Blueprintr Vellum
>
> The full editor in a native window, signed in to your account. Diagrams are
> the same cloud saves as on the web. **Recommended.**
>
> === Vellum Core
>
> The canvas on its own, saving to local files, with no account and no network
> connection.

macOS, Windows and Linux.

## Blueprintr Vellum

The same editor as the web version, without browser chrome, with its own dock
icon and smoother rendering on high-refresh displays.

Sign-in is handed to your normal browser rather than asked for in the window,
so you authenticate where your password manager already works and the browser
hands the session back.

There is no separate desktop file type and no separate account. Open the same
diagram in the browser and you see the same content, including anything a
collaborator changed while you were in the app.

The app updates itself and prompts you when a new version is ready.

## Vellum Core

Core is the drawing canvas without the rest of Blueprintr. Diagrams are files
on your machine.

> [!IMPORTANT]
> Core edits a file. Strata, publishing, collaboration and cloud history are
> Blueprintr features and are absent from Core. Work done in Core reaches
> Blueprintr only when you import it.

## Which to install

Install Blueprintr Vellum if you have an account. Install Core when the work
cannot leave the machine, or when you want a diagram tool with no service
behind it.