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Docusaurus vs Viaduct
Static site generator for docs, no AI-driven model or MCP server
ViaductViaduct is a free C4 modeling tool for software teams, with a hosted MCP server that feeds your…Which to pick
Pick Docusaurus if you want…
- React-powered docs and blogs
- Open-source docs sites
- A free, open-source tool
- Integrations with MDX, React or Algolia (on Docusaurus' list, not Viaduct's)
Pick Viaduct if you want…
- C4 architecture modeling with AI integration
- Integrations with Cursor, Claude Code or Claude Desktop (on Viaduct's list, not Docusaurus')
Side by side
- What it is
- Docusaurus:Docusaurus is an open-source React-based static site generator for documentation, blogs, and marketing pages.
- Viaduct:Viaduct is a free C4 modeling tool that lets software teams create, share, and sync architecture models with AI agents via a hosted MCP server.
- Best for
- Docusaurus:React-powered docs and blogs
- Viaduct:C4 architecture modeling with AI integration
- Who it’s for
- Docusaurus:Developers and technical writers building content-focused websites.
- Viaduct:Software teams that need collaborative architecture modeling and AI-assisted documentation.
- Pricing
- Docusaurus:Open source
- Viaduct:Freemium
- Plans
- Docusaurus:—
- Viaduct:Browser (free) €0 · Desktop licence €10 per month
- Open source
- Docusaurus:Yes, 66,378 GitHub stars
- Viaduct:—
- Works with
- Docusaurus:MDX, React, Algolia, Crowdin, Git
- Viaduct:Cursor, Claude Code, Claude Desktop, GitHub, GitLab, Google
Docusaurus features
- MDX authoring. Write docs and blog posts in Markdown with embedded React components via MDX.
- React extensibility. Customize layouts and add functionality by writing React components.
- Built-in i18n. Out-of-the-box localization using Git, Crowdin or other translation managers.
- Document versioning. Maintain separate docs for each release version of your project.
- Algolia search integration. Add fast, hosted search to help users find content quickly.
- Pluggable architecture. Extend the site with plugins for themes, analytics, and more.
Viaduct features
- Full C4 modeling. Create system context, container, component and code diagrams in one editor.
- Hosted MCP server. Provides a machine-readable context for AI agents to read and write architecture data.
- Live collaboration. Team projects with change sets and real-time sharing.
- AI assistant. Generates missing descriptions, names, and reviews model elements for you.
- Desktop app. Native app with local MCP server, offline work and JSON file storage.
- Import/Export. Import OpenAPI specs and export models or contracts as JSON or OpenAPI.
Docusaurus vs Viaduct FAQ
Is Docusaurus or Viaduct free?+
Docusaurus is free and open source. Viaduct has a free plan (Browser (free)); paid plans start at €10/month (Desktop licence).
Which is cheaper, Docusaurus or Viaduct?+
Docusaurus is free, so it costs less. Viaduct starts at €10/month (Desktop licence).
Is Docusaurus or Viaduct open source?+
Docusaurus is open source (facebook/docusaurus on GitHub, MIT license). DevHunt has no public source repository on record for Viaduct.
Do Docusaurus and Viaduct integrate with the same tools?+
Their integration lists don't overlap: Docusaurus lists MDX, React, Algolia, Crowdin and 1 more; Viaduct lists Cursor, Claude Code, Claude Desktop, GitHub and 2 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.