Svelte
Compiled UI frameworkOpen source· verified Oct 2026
A UI framework that compiles declarative HTML, CSS, and JavaScript components into browser code. Use Svelte for components; SvelteKit adds application routing, server rendering, and deployment adapters.
Official site
Reach for it when
- Interfaces built with Svelte components
- Teams that prefer Svelte's component model
Worth knowing
Svelte is the UI layer; use the separate SvelteKit tool entry when choosing a full application framework.