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DeepDoc

Free#7 of 28 in AI Documentation GeneratorsPDF Data Extraction Software

DeepDoc: A flexible, open-source choice for developers who want self-hosted documentation. Ranked #7 of 28 in AI Documentation Generators by our editors (8.6/10); pricing: Free plan; best for developers wanting free self-hosted documentation.

8.6/10Editor score
Visit DeepDoc
DeepDoc8.6 Visit DeepDoc

At a glance

  • Editor score
    8.6 / 10
  • Pricing
    Free plan
  • Best for
    Developers wanting free self-hosted documentation
  • Free plan
    Yes
  • Paid from
    Free
  • API spec support
    Yes
  • Facts checked
    20 Sep 2026
DeepDoc screenshot

  • Where it wins

    • Scans repositories and plans documentation by domain
    • Generates Markdown, Mermaid diagrams, API references, and search
    • Supports multiple LLM providers plus evidence-backed answers

  • Where it doesn't

    • Requires local deployment and command-line setup
    • Automatic documentation updates are not supported
    • Users must bring an LLM provider or run Ollama

Our verdict on DeepDoc

DeepDoc is an open-source command-line tool for developers who want to generate engineering documentation from code repositories. It scans supported Python, JavaScript, TypeScript, Go, PHP, Vue, and GraphQL codebases, then plans documentation by domain and produces Markdown pages. It can also detect OpenAPI or Swagger specifications, generate interactive API references, and build a local static Next.js/Fumadocs site with built-in search. An optional chatbot answers questions with source-file and line references, keeping its responses tied to repository evidence.

Its strongest fit is a self-hosted workflow with control over the model provider and output. DeepDoc runs locally and supports Anthropic, OpenAI, Google Gemini, Azure OpenAI, Ollama, and LiteLLM-compatible providers. Generated output can include Mermaid diagrams, Markdown, a static documentation site, and interactive API references. Incremental updates can regenerate documentation affected by changed files, which suits repositories that evolve over time. The published product details also describe static site deployment to hosting providers, giving teams a path from local generation to hosted documentation.

The trade-off is operational responsibility. DeepDoc is MIT-licensed and free, but it requires local deployment and a bring-your-own-LLM arrangement or Ollama rather than a managed documentation service. Its workflow is therefore better suited to developers comfortable with command-line tools, repository analysis, model configuration, and hosting. Teams seeking automatic updates or a fully managed platform should choose an alternative. Developers who value source-backed answers, API documentation, multiple model options, and control over where documentation is generated should find DeepDoc the more appropriate choice.

Your product? Our editors can test DeepDoc in depth and publish a review, labelled as paid · from $149/mo →

DeepDoc pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on deepdoc.tech

DeepDoc fact sheet

Free planYes
Paid fromFree
API spec supportYes
Code repository syncYes
Automatic updatesNo
Source typesPython, JavaScript, TypeScript, Go, PHP, Vue, GraphQL, OpenAPI/Swagger specifications
Output formatsMarkdown, Mermaid diagrams, static Next.js/Fumadocs site, interactive API reference
Hosting modelSelf_hosted
DeploymentSelf-hosted
SupportDocs
Built forSolo, Small business, Mid-market (editorial estimate)
Integrations6 integrations: Anthropic, OpenAI, Google Gemini, Azure OpenAI, Ollama, LiteLLM-compatible providers
PricingFree plan
Websitedeepdoc.tech
Facts checked20 Sep 2026

DeepDoc integrations

DeepDoc lists 6 integrations on its own site.

  • Anthropic
  • OpenAI
  • Google Gemini
  • Azure OpenAI
  • Ollama
  • LiteLLM-compatible providers

Alternatives to DeepDoc

See all DeepDoc alternatives →

DeepDoc vs the competition

Compare DeepDoc with any tool side by side →

Also Ranked In

DeepDoc is ranked in 2 of our directories.

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Featured on iTechGuides

Featured on iTechGuides — DeepDoc 8.6/10

DeepDoc is listed in our AI Documentation Generators directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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