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Top Open Source Document Editors Tools in 2026

A curated collection of the 4 best free and open-source Document Editors tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • ONLYOFFICE Docs

    Secure online office suite compatible with MS Office

    Stars
    6,859
    Last commit
    1mo ago
    License
    AGPL-3.0

  • LibreOffice

    Free and private office suite, no forced AI

    Stars
    4,278
    Last commit
    10d ago
    License
    GPL-3.0

  • Collabora Online

    Self-hosted office suite for collaborative document editing

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

  • CryptPad

    Open-source collaboration suite offering encrypted document editing, file sharing, and team workspaces with complete privacy protection.

    Stars
    7,862
    Last commit
    3mo ago
    License
    AGPL-3.0
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Showing 4 of 4 open-source tools