Fumadocs
Fumadocs: A composable documentation framework for developers building customized React and Astro sites. Ranked #15 of 37 in Technical Documentation Software by our editors (7.8/10); pricing: Open source; best for developers wanting composable open-source docs UI.
At a glance
- Editor score7.8 / 10
- PricingOpen source
- Best forDevelopers wanting composable open-source docs UI
- Paid fromFree
- Documentation versioningYes
- Facts checked20 Sep 2026
Where it wins
- Markdown and MDX support includes callouts, cards, code blocks, and syntax highlighting.
- Composable UI, headless mode, and CLI tooling support extensive customization.
- Search, versioning, static export, access control, and OpenAPI support are included.
Where it doesn't
- It requires developer implementation rather than a turnkey documentation workspace.
- Access control is an implementation option, not a complete built-in permissions system.
- Search setup depends on configuring a supported engine or provider.
Our verdict on Fumadocs
Fumadocs is an open-source framework for developers building documentation websites with React.js frameworks and Astro. It combines content-source adapters, a headless core library, customizable UI components, and CLI tooling. Its audience is teams that want documentation integrated into an existing application or need substantial control over the authoring and presentation experience. Markdown and MDX support covers syntax highlighting, callouts, cards, and code blocks, while OpenAPI support helps organize API documentation.
Its ecosystem is a major part of the product’s appeal. Fumadocs supports configurable document search through Orama Search, Algolia Search, FlexSearch, Mixedbread, Orama Cloud, and Typesense. Content can connect with Sanity, Payload CMS, and BaseHub CMS, giving developer teams options for search and content-source architecture. The CLI supports app scaffolding, component installation, and layout customization. Static export also allows documentation sites to be hosted on a CDN, while headless mode and composable UI support more tailored application designs.
Fumadocs is strongest when a team values ownership of the documentation stack and is comfortable working with a framework, configuration, and implementation choices. Multiple documentation versions can run within one site or across separate deployments, and access-control implementations can restrict documentation content. The trade-off is that the product’s flexibility brings development responsibility: teams looking for a fully managed workspace, built-in operational workflows, or a turnkey hosted documentation product may prefer a more packaged alternative. Choose Fumadocs for customizable, open-source docs infrastructure; look elsewhere if minimizing implementation work is the priority.
Your product? Our editors can test Fumadocs in depth and publish a review, labelled as paid · from $149/mo →
Fumadocs pricing
Fumadocs fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Custom domain | Not verified |
| Private documentation | Yes |
| Documentation versioning | Yes |
| Full-text search | Yes |
| Reader analytics | Not verified |
| Paid author limit | Not verified |
| Deployment | Self-hosted, Browser extension |
| Platforms | Web |
| Support | Community, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 9 integrations: Orama Search, Algolia Search, FlexSearch, Mixedbread, Orama Cloud, Typesense … |
| Pricing | Open source |
| Website | fumadocs.dev |
| Facts checked | 20 Sep 2026 |
Fumadocs integrations
Fumadocs lists 9 integrations on its own site.
- Orama Search
- Algolia Search
- FlexSearch
- Mixedbread
- Orama Cloud
- Typesense
- Sanity
- Payload CMS
- BaseHub CMS
Alternatives to Fumadocs
- GitBookA broad technical documentation platform with Git sync, publishing controls, workflows, analytics, and AI.9.3
- Read the DocsA repository-driven documentation platform with strong versioning and build workflows.9.2
- SphinxA free, open-source documentation generator for extensible developer workflows.9.0
See all Fumadocs alternatives →
Also Ranked In
Fumadocs is ranked in 2 of our directories.
Used Fumadocs? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Fumadocs for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
Fumadocs is listed in our Technical Documentation Software directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/fumadocs/"><img src="https://www.itechguides.com/best/badge/fumadocs.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update