Starlight
An Astro-based documentation website framework with documentation navigation and theme features.
About Starlight
Starlight is an open-source framework for building documentation websites on Astro. It provides site navigation, search, internationalization, SEO support, code highlighting, and dark mode. Content can be written in Markdown, Markdoc, or MDX, with built-in frontmatter validation and TypeScript type safety. The framework is designed to be extended with Astro integrations and with UI components from React, Vue, Svelte, Solid, and other frameworks. Pricing is listed as free.
Key features
- Site navigation, search, and internationalization for documentation sites
- SEO support and code highlighting
- Dark mode and readable typography
- Markdown, Markdoc, and MDX content support
- Built-in frontmatter validation with TypeScript type safety
- Extendable with React, Vue, Svelte, Solid, and Astro integrations
Best for: Developers and teams who want to build a documentation website using Astro and prefer writing content in Markdown, Markdoc, or MDX.
Good for
- Open source, with the source code available on GitHub
- Listed as free to use
- Built on Astro, which is described as designed for speed, and can be extended with Astro integrations
Starlight at a glance
- Website
- starlight.astro.build
- Category
- Development › Developer Tools
- Type
- Online tool
- Pricing
- Free
- Open source
- Yes
- Last checked
- Oct 9, 2026 · Online when checked
- Listed
- Oct 9, 2026
Guides for Developer Tools
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Starlight FAQ
Which content formats does Starlight support?
Starlight supports Markdown, Markdoc, and MDX, and includes built-in frontmatter validation with TypeScript type safety.
Can I use my own UI components with Starlight?
Yes. Starlight is described as framework-agnostic and can be extended with components from React, Vue, Svelte, Solid, and other frameworks.
Does Starlight include search?
Yes. Site search is listed among its built-in features.
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