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Open Source Collaborative Notes & Wikis using Java

A curated collection of the best open source platforms for collaborative note-taking and building wikis. using Java.

AppFlowy

AI workspace for docs, projects, and wikis you control

  • Stars

    78,002

  • Last commit

    3 days ago

  • License

    AGPL-3.0
Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.

Open Source Alternative to:

Notion

Affine

Docs, whiteboards, and databases in one privacy-first workspace

  • Stars

    73,998

  • Last commit

    4 days ago

  • License

    MIT
An open-source, local-first knowledge base that merges structured docs, infinite whiteboards, databases, and AI into a single workspace for teams and creators.

Open Source Alternative to:

Notion

XWiki

Open-source knowledge management and collaboration platform

  • Stars

    1,328

  • Last commit

    4 hours ago

  • License

    LGPL-2.1
XWiki is a flexible, feature-rich wiki software that helps organizations structure and share knowledge efficiently.

Open Source Alternative to:

Notion
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