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Starlight vs docfx: catalog facts
Starlight	docfx
Free Free and open source under the MIT licence.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Command line	Windows, Command line
Search, navigation and i18n included Markdown, Markdoc and MDX support	Generates API reference straight from .NET assemblies and XML comments Combines API docs with Markdown articles
Focused on documentation sites only Requires Node.js and some Astro knowledge to customise	Requires the .NET SDK 8.0 or higher PDF output needs Node.js as well
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.