Open Source Notion Alternatives

The best open source alternative to Notion is AppFlowy. If that doesn't suit you, our users have ranked more than 100 alternatives to Notion and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Notion are Logseq, Joplin, Super Productivity and Notesnook.

filter to find the best alternatives

Notion alternatives are mainly Note-taking Tools, but if you're looking for Todo List Managers or Task Management Tools you can filter on that. Other popular filters include Windows, Mac, Open Source, iPad, Free, Self-Hosted and Linux + Open Source. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Notion.
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Alternatives list

  1. Dark Note icon

    Dark Note

     2 likes

    Dark Note offers a wide range of features for taking notes, creating checklists, and keeping track of your budget. Its simple and elegant user interface makes it easy to use and navigate, allowing you to quickly and easily create and manage your notes + checklists.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    Dark Note screenshot 1
     
  2. Tablesmit icon

    Tablesmit

     Like

    A minimalist, open source table builder for analytical writing. Build clean structured tables with full header control, formatting, and export. Free. No signup.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Online
    • Software as a Service (SaaS)
    • Self-Hosted
    • Docker
    Tablesmit screenshot 1
     
  4. Plainva icon

    Plainva

     1 like

    Plainva is an open-source, local-first editor for plain Markdown vaults. It aims to open existing Obsidian-compatible vaults directly from cloud storage and preserve file ownership.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    Plainva screenshot 1
     
  5. NoteSR icon

    NoteSR

     1 like

    NoteSR is a secure and offline-first note-taking Android app that creates an encrypted storage space on your device. You can write text notes, attach any type of file to them, and open files directly inside the app — all fully encrypted using AES-256.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Android
    • F-Droid
    NoteSR screenshot 1
     
  6. ProtoText icon

    ProtoText

     3 likes

    Minimalist Card-based App to create Notes, Knowledge Networks, Presentations, Portfolios, Multilingual guides, Educational videos, Audiobooks.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Windows
    • Mac
    Welcome screen.
     
  7. CapyBro icon

    CapyBro

     1 like

    CapyBro is a Windows tray utility that brings AI to any text on your PC via a global hotkey. Select text in any application (Word, Telegram, Outlook, browser, code editor) and press Ctrl+Shift+E — AI rewrites it in place.

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application types

    Platforms

    • Windows
    history
     
  9. DANO icon

    DANO

     1 like

    DANO is not another productivity app. It’s a digital mirror of your life — a single, connected space where everything you track lives together and nothing stays isolated.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
     
  10. Ideon icon

    Ideon

     1 like

    Ideon is an open-source, self-hosted alternative to tools like Heptabase and Kosmik, specifically designed for technical projects. It provides an infinite spatial canvas where users can organize information visually rather than in linear documents or folder structures.

    Cost / License

    Platforms

    • Self-Hosted
    • Docker
    Scrrenshot showing people collaborating on a project
     
  11. TreeTime icon

    TreeTime

     2 likes

    TreeTime is an information organizer that stores text, numbers, and other data in linked trees. Mathematical operations like sums, ratios, and differences are calculated and updated on the fly. It exports to PNG, SVG, HTML, CSV, and plain text, and includes a configurable web interface.

    Cost / License

    Application types

    Platforms

    • Windows
    • Linux
    • Python
    TreeTime screenshot 1
     
  12. Rhyolite icon

    Rhyolite

     1 like

    Rhyolite is a simple markdown editor build using tauri framework that allows user to edit and work on markdown files.

    Cost / License

    Application type

    Platforms

    • Linux
    • Mac
    • Windows
    Rhyolite screenshot 1
     
  13. Rucola icon

    Rucola

     2 likes

    Terminal-based markdown note manager to view statistics, explore connections and launch editing and viewing applications.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Select view of all indexed notes
     
  14. TriliumDroid icon

    TriliumDroid

     2 likes

    Android client for Trilium Notes.

    Cost / License

    Platforms

    • Android
    • F-Droid
    TriliumDroid screenshot 1
     
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