Documentation Tools

1. Starlight runs on more than half of the sites using a documentation tool (67%), 5.5 times as many sites as Mintlify.
2. Only 11 of the 32 documentation tools we track run on more than 1% of these sites.
3. Among sites launched in September, Sphinx rose to #10 from #16 in August.

#	Movement	Tool	Country	Share	Bar	Sites	90 days
1	–	Starlight Documentation theme for Astro, used to build modern technical docs sites.		67%		730
2	–	Mintlify Modern documentation platform optimised for developer docs and AI-readability, with Markdown-first authoring.		12%		132
3	–	M mdBook Rust-based tool for creating documentation books from Markdown files.		4.5%		49
4	–	Redocly API documentation and developer portal platform.		3.4%		37
5	▲2	MDN Web Docs Mozilla's reference documentation for web platform technologies.		1.8%		20
6	▼5	Read the Docs Sphinx Theme Documentation theme for Sphinx, originally developed for Read the Docs.		1.7%		19
7	▼2	Hextra Hugo theme for documentation, blog and static sites, built with Tailwind CSS and offline full-text search.		1.6%		17
8	▼3	D DocFX Static documentation site generator for .NET projects, producing API reference and conceptual docs from source and Markdown.		1.4%		15
9	▲3	Retype Markdown-to-website static site generator for documentation.		1.2%		13
10	▲4	Geistdocs		1.0%		11

Share is of the 1,096 sites using a documentation tool; a site can use more than one. Arrows compare each tool's rank among sites launched in September with August. The line is its share of new sites over 90 days. Showing the top 10 of 32.

Watches, exports and the API give you every documentation tool and the sites using each, from £15 a month.

Other kinds of tool most often found on the same sites, leaving out the plumbing every site has (DNS, CDN, hosting).

• Meta Framework 130
• Framework 97
• Analytics 82
• CSS Framework 69
• UI Library 50
• Developer Tools 40