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Open Source Collaborative Notes & Wikis using Kotlin

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

Macro Docs

Markdown docs wired into tasks, email, and agents

  • Stars

    Stars growing quickly over the last 30 days4,872

  • Last commit

    11 hours ago

  • License

    AGPL-3.0
Collaborative markdown documents with real-time CRDT editing, AI agent cursors, mention linking, and built-in properties tied to your tasks, channels, and email.

Open Source Alternative to:

Notion

AppFlowy

AI workspace for docs, projects, and wikis you control

  • Stars

    77,681

  • 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

    73,777

  • Last commit

    21 hours 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
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