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Top Open Source Technical Writing Platforms Tools in 2026

A curated collection of the 7 best free and open-source Technical Writing Platforms tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • Zenblog

    Headless blogging CMS with Notion-style editor

    Stars
    253
    Last commit
    5mo ago
    License
    AGPL-3.0

  • xyd

    Open source framework for building beautiful docs

    Stars
    113
    Last commit
    12d ago
    License
    MIT

  • Vrite

    Open-source developer content platform

    Stars
    1,994
    Last commit
    11d ago
    License
    Open Source

  • Typemill

    Open-source flat-file CMS for documentation

    Stars
    615
    Last commit
    13d ago
    License
    MIT

  • Scalar

    Open-source API documentation & SDK platform

    Stars
    16,004
    Last commit
    10d ago
    License
    MIT

  • Fumadocs

    React.js documentation framework

    Stars
    12,998
    Last commit
    10d ago
    License
    MIT

  • Changes.Page

    Changelog platform for humans and agents

    Stars
    284
    Last commit
    16d ago
    License
    AGPL-3.0
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Showing 7 of 7 open-source tools