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Documentation & CMS

Documentation hosting, wikis, and content management with free tiers.

Service Free Tier Limits Rate Limits Verified Link
GitBook Free for individuals & OSS Unlimited traffic, public publishing, GitBook subdomain, Git sync 1 user only, no team collaboration, no custom domain on free (custom domain requires $65/mo+) ✅ 2026-04 gitbook.com/pricing
Read the Docs Free for open-source (community) Unlimited builds, unlimited bandwidth, versioned docs, search Public/open-source projects only, ad-supported (EthicalAds) ✅ 2026-04 about.readthedocs.com/pricing
Hashnode Free forever (all users) Unlimited posts, custom domain, GitHub backup, built-in newsletter, analytics Single-author blog; team features require Startup plan ($199/mo) ✅ 2026-04 hashnode.com/pricing
Mintlify Hobby plan (free) Custom domain, web editor, API playground, MDX support, LLM-optimized docs (llms.txt, MCP servers) 1 editor seat, no AI features, no collaboration; Pro is $250/mo ✅ 2026-04 mintlify.com/pricing
Docusaurus + GitHub Pages Fully free (OSS + free hosting) Unlimited pages, Markdown/MDX, versioning, search, i18n Static site generator -- deploy free on GitHub Pages (1GB site, 100GB bandwidth/mo) or Cloudflare Pages (unlimited) ✅ 2026-04 docusaurus.io
Docsify + GitHub Pages Fully free (OSS + free hosting) No build step, Markdown-based, plugins for search/theming Client-side rendered; same GitHub Pages limits (1GB site, 100GB bandwidth/mo) ✅ 2026-04 docsify.js.org
Nextra Fully free (OSS, MIT license) Next.js-based, MDX, full-text search (Pagefind), themes for docs & blog Static site generator -- deploy on Vercel/Cloudflare/Netlify free tiers. Used by Next.js, React, Tailwind docs ✅ 2026-04 nextra.site
Starlight (Astro) Fully free (OSS, MIT license) Astro-based, Markdown/MDX/Markdoc, built-in search (Pagefind), i18n, dark/light themes, accessibility Framework-agnostic: extend with React, Vue, Svelte, Solid. Deploy on any static host ✅ 2026-04 starlight.astro.build
Fumadocs Fully free (OSS, MIT license) Next.js-native, built-in OpenAPI rendering, full-text search (Orama), headless component API Supports Next.js, Tanstack Start, React Router, Waku. ~150K downloads/mo and growing fast ✅ 2026-04 fumadocs.dev

Notes

  • Ghost was evaluated but excluded: Ghost CMS is open-source (self-host free), but Ghost(Pro) managed hosting starts at $15/mo with no free tier.
  • GitBook free tier no longer includes custom domains -- custom domains now require the Premium plan ($65/mo+). Open-source projects can apply for a Sponsored Site plan (ad-supported) to access premium features for free.
  • Nextra, Starlight, and Fumadocs are static site generators, not hosted platforms -- pair with free hosting (Vercel, Cloudflare Pages, Netlify, GitHub Pages) for a fully free docs stack.
  • Fumadocs is the fastest-growing option for Next.js teams (3x YoY download growth). It powers docs for v0 by Vercel and offers a uniquely composable architecture (Content -> Core -> UI).
  • Starlight is built on Astro and is framework-agnostic -- supports React, Vue, Svelte, and Solid components within docs pages.
  • Read the Docs is the gold standard for open-source Python/Sphinx docs but also supports MkDocs.
  • Hashnode is the most generous hosted option: truly free with custom domains, newsletters, and GitHub backup included.
  • Mintlify now ships LLM-ready output (llms.txt, skill.md, auto-generated MCP servers) free on every tier including Hobby.