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Best open-source Docs & wiki

The best open-source wikis in the c17.io catalog are Docmost for a Notion-style editor, BookStack for hierarchical manuals, Tela when agents need MCP, and Alexandrie as another self-hosted knowledge base. Papermark covers DocSend-style share links. Outline and Wiki.js are not Crew catalog rows, so they are not ranked here.

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Ranked picks

  1. 1

    Docmost

    Open-source Notion-style wiki on the c17 docs stack.

    When to pick it: A pretty team wiki humans will actually edit.

  2. 2

    BookStack

    Shelves / books / pages wiki already in the catalog.

    When to pick it: A GitBook-shaped manual, not a Notion canvas.

  3. 3

    tela

    AGPL markdown team wiki with a built-in MCP server.

    When to pick it: Agents that need to read and write runbooks.

  4. 4

    Alexandrie

    MIT self-hosted knowledge base and wiki.

    When to pick it: A second wiki shape if Docmost is not the fit.

  5. 5

    papermark

    Open-source dataroom/PDF share links — the c17 DocSend stack.

    When to pick it: A tracked document link, not a team wiki.

    9,247 stars in the catalog

  6. 6

    SurfSense

    Self-hostable research platform (NotebookLM-shaped). Core is Apache-2.0; skip BUSL directories if you want OSS-only.

    When to pick it: Research over sources, not a Notion replacement.

How they compare

ToolLicenseSelf-hostBest for
DocmostNot listedEasyA pretty team wiki humans will actually edit.
BookStackNot listedEasyA GitBook-shaped manual, not a Notion canvas.
telaAGPL-3.0EasyAgents that need to read and write runbooks.
AlexandrieMITEasyA second wiki shape if Docmost is not the fit.
papermarkOtherEasyA tracked document link, not a team wiki.
SurfSenseApache-2.0 (core); BUSL-1.1 (proprietary directory)MediumResearch over sources, not a Notion replacement.

Related pages

FAQ

Which one do agents like?
Tela. It speaks MCP. If humans need a prettier editor first, start with Docmost — that is the stack FAQ.
Docmost or BookStack?
Docmost is the Notion-shaped editor. BookStack is the GitBook-shaped shelf of books. Pick by the vendor you are leaving.
Are these free?
Open-source or fair-code as listed; you pay hosting. Template users never pay c17.
How do I deploy it?
Open /stacks/docmost-wiki. Persist Postgres, put uploads on a volume, and import the c17 stack pages as the first space.

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