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Top Open Source Documentation & Knowledge Base Tools in 2026

A curated collection of the 2 best free and open-source Documentation & Knowledge Base tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • Collabora Online

    Self-hosted office suite for collaborative document editing

    Stars
    3,327
    Last commit
    19d ago
    License
    Open Source

  • Docs

    Open-source collaborative document editor

    Stars
    16,755
    Last commit
    11d ago
    License
    MIT
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Showing 2 of 2 open-source tools