Lunacy

Lunacy is a lightweight, powerful application designed to view and edit Sketch files with zero hassle. It launches instantly and requires no extra configuration, plugins, or subscriptions. Work seamlessly across Windows, macOS, and Linux with a native, fast experience. Perfect for designers and developers who need quick access to Sketch documents without a Mac. Enjoy full editing capabilities, vector editing tools, and support for the latest Sketch formats—all for free.