Experimental — not ready for production use. APIs and native implementations are evolving. Public packages and hosted runtimes are not available yet.

LEGEND/ FRAMEWORK Experimental

Legend Spark

Your React skills. A native macOS app.
Windows, menus, and files that feel right at home.

Explore the docs
A NEW KIND OF DESKTOP FOUNDATION

Your React app

React Native + Hermes

LEGEND SPARK
WindowsMenusFiles
Built on Expo Desktop

An early experiment, starting with Apple silicon macOS. Public packages and app binaries have not been published yet.

Real windows.

Build a desktop workspace with native app and window lifecycle.

Real menus.

Put actions where Mac users expect them, with native menus and shortcuts.

Your own files.

Work with local files, documents, settings, and the clipboard.

The little details.

Bring desktop behavior into your React app without starting from scratch.