Starlight by Astro

In plain words

Starlight is an open-source web framework designed for creating documentation websites. Built on Astro, it includes navigation, search functionality, internationalization, syntax highlighting, and dark mode support out of the box. The framework works with React, Svelte, Vue, Tailwind CSS, Markdown, and MDX, making it suitable for developers who need to quickly build and maintain technical documentation sites.

written from the facts on this page · September 2026

From the sources

Starlight is the web framework for building modern documentation websites. Comes with navigation, search, i18n, syntax highlighting, dark mode, and more included. Supports React, Svelte, Vue, Tailwind CSS, Markdown, and MDX. All free + open source!

Starlight helps you build beautiful, high-performance documentation websites with Astro.

Includes: Site navigation, search, internationalization, SEO, easy-to-read typography, code highlighting, dark mode and more. Leverage the full power and performance of Astro. Extend Starlight with your favorite Astro integrations and libraries. Bring your favorite markup language. Starlight gives you built-in frontmatter validation with TypeScript type-safety. Starlight ships as a framework-agnostic, complete docs solution. Extend with React, Vue, Svelte, Solid, and more. The Astro team have EVOLVED how docs can be done and you can get it all out of the box with their Starlight project. Starlight is our go-to example of a great DX: the speed, convenience, and attention to details is…from starlight.astro.build

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