Sell digital products the way caustics.dev does.
Live and interactive — the actual boilerplate running, not a screenshot. Scroll and hover inside the frame, or open it full-page ↗.
No wiring, no boilerplate-the-boilerplate. Every system below is set up, typed, and ready to extend.
The complete digital product storefront template. Built on Astro + Svelte + Lemon Squeezy. Includes product pages with live demos, the specimen frame component system, Lemon Squeezy checkout integration, and everything you see on caustics.dev.