Microsoft OneNote AlternativesOnly Open Source apps categorised as Todo List Managers - Page 2

The best open source Todo List Manager alternative to Microsoft OneNote is Joplin. If that doesn't suit you, our users have ranked more than 50 alternatives to Microsoft OneNote and many of them are open source Todo List Managers so hopefully you can find a suitable replacement. Other interesting open source Todo List Manager alternatives to Microsoft OneNote are Xournal++, CherryTree, Standard Notes and AppFlowy.

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Microsoft OneNote alternatives are mainly Note-taking Tools but may also be Todo List Managers or Task Management Tools. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Microsoft OneNote.
Microsoft OneNote iconMicrosoft OneNote
  1139
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Microsoft OneNote, part of the Microsoft 365 Copilot, is a digital notebook application that gives people one place to gather notes and information. It also offers shared notebooks,...

More about Microsoft OneNote
More about Microsoft OneNote
Microsoft OneNote alternatives page was last updated Mar 17, 2025
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Alternatives
  1. Turtl icon

    Turtl

     172 likes
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    Whether it's bookmarks or passwords, files or shopping lists...Turtl organizes it all and makes it easy to find later. Sync across your devices. Leave nothing behind.

    174 Turtl alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
    • Self-Hosted
    • Google Chrome
    • Firefox
    Turtl screenshot 1
    Discontinued

    The last update is from 2019.

    Properties

    1.  Privacy focused

    Features

    1.  Encrypted Notes
    2.  End-to-End Encryption
    3.  Support for MarkDown
    4.  Sync on many devices
    5.  Data portability
    6.  Cloud Sync
    7.  Real time collaboration
    8.  To do lists
    9.  Notebook
    10.  List management
    11.  Client side encryption
    12.  Password encryption

    Turtl VS Microsoft OneNote

     
    Comments about Turtl as an Alternative to Microsoft OneNote
    Guest
    Positive •Jun 15, 2017
    2

    Encryption, zero-knowledge encryption.

    k71
    Negative •Sep 24, 2022
    0

    Windows app. Visually it´s nice, but its movement between "folders" is not intuitive or i didnt like it. I didnt like it that we have to be online to access to it. I didnt like the option to introduce password everytime to access (i dont know if there is the option to remove it). In this case i´d prefer Standardnotes or Simplenote.

    Microsoft OneNote Icon
    Turtl icon

    • Most users think Turtl is a great Microsoft OneNote alternative.

    • Turtl is Freemium and Open SourceMicrosoft OneNote is Freemium and Proprietary
    • Turtl is Privacy focusedMicrosoft OneNote is not according to our users
  2. Trilium Notes icon

    Trilium Notes

     94 likes
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    Trilium Notes is a hierarchical note taking application.

    353 Trilium Notes alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Google Chrome
    • Cloudron
    • Mozilla Firefox
    Trilium Notes screenshot 1
    Discontinued

    Trilium transitions into maintenance mode and don't plan adding any new major functionality. You can take a look at this community fork: https://github.com/TriliumNext

    Properties

    1.  Privacy focused
    2.  Distraction-free
    3.  Customizable

    Features

    1.  Tree of notes
    2.  Knowledge base
    3.  Note organization
    4.  Dark Mode
    5.  No Tracking
    6.  Encrypted Notes
    7.  Works Offline
    8.  End-to-End Encryption
    9.  Ad-free
    10.  Cloud Sync
    11.  REST API
    12.  Web Clipper

    Trilium Notes VS Microsoft OneNote

     
  4. SiYuan icon

    SiYuan

     67 likes
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    SiYuan is a desktop Markdown Block-Reference and Bidirectional-Link note-taking application. Support fine-grained block-level reference and Markdown WYSIWYG.

    54 SiYuan alternatives

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Microsoft Edge
    • Google Chrome
    • Flathub
    • Docker
    • Docker Hub
    SiYuan screenshot 1

    Properties

    1.  Privacy focused
    2.  Customizable

    Features

    1.  Local Storage
    2.  Block reference
    3.  Bidirectional links
    4.  WYSIWYG Support
    5.  Graph view
    6.  Web Clipper
    7.  Works Offline
    8.  End-to-End Encryption
    9.  Support for MarkDown
    10. LaTeX icon  Support for LaTeX
    11.  No registration required
    12.  Cloud Sync

    SiYuan VS Microsoft OneNote

     
  5. Docmost icon

    Docmost

     29 likes
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    Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.

    66 Docmost alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Self-Hosted
    • Docker
    Docmost screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Full-Text Search
    2.  No Tracking
    3.  Real time collaboration
    4.  File Versioning
    5.  Ad-free
    6.  Built-in Commenting System
    7.  Attachments
    8.  Knowledge Management
    9.  Nested Notes
    10.  Wiki
    11.  Knowledge base
    12.  Activity history

    Docmost VS Microsoft OneNote

     
  6. Markor icon

    Markor

     82 likes
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    Markor is a TextEditor for Android, versatile, flexible, and lightweight. Markor utilizes simple markup formats like Markdown and todo.txt for note-taking and list management. It is versatile at working with text; it can also be used for keeping bookmarks, copying to clipboard...

    138 Markor alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • AT flagAustria
    • European Union flagEU

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    Markor screenshot 1
    Markor screenshot 2
    Markor screenshot 3

    Properties

    1.  Lightweight
    2.  Customizable
    3.  Distraction-free
    4.  Privacy focused

    Features

    1.  Markdown preview
    2.  Support for MarkDown
    3.  Share notes
    4.  Offline Reading
    5.  Works Offline
    6.  Export to PDF
    7.  Ad-free
    8.  Code Formatting
    9.  Handwritten Notes
    10.  Dark Mode
    11.  Syntax Highlighting
    12.  Todo.txt based

    Markor VS Microsoft OneNote

     
    Comments about Markor as an Alternative to Microsoft OneNote
    zokris
    Positive •Sep 16, 2020
    0

    Markor is light, fast and uses Markdown text so your notes can be read on all devices. With OneNote you need the app to open your notes.

    Guest
    Positive •Aug 24, 2020
    0

    Open-source, feature-filled and uses open formats so it is future-proof. Actively updated with new features. A great app for notes, to-do lists and jotting down thoughts and ideas.

    Microsoft OneNote Icon
    Markor icon
    • Markor is Free and Open SourceMicrosoft OneNote is Freemium and Proprietary
    • Markor is Lightweight and Privacy focusedMicrosoft OneNote is not according to our users
  7. QOwnNotes icon

    QOwnNotes

     93 likes
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    Plain text notepad with markdown support and todo list manager for Linux, Mac OS X and Windows, that works together with the notes application of ownCloud.

    234 QOwnNotes alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • PortableApps.com
    • Qt
    QOwnNotes main screen

    Properties

    1.  Privacy focused
    2.  Support for Themes
    3.  Lightweight
    4.  Configurable

    Features

    1.  Support for MarkDown
    2.  Local Storage
    3.  Plain text file
    4.  Tagging
    5. Nextcloud icon  Nextcloud integration
    6.  End-to-End Encryption
    7.  Syntax Highlighting
    8.  Subtasks
    9.  No Tracking
    10.  Dark Mode
    11.  Ad-free
    12.  Synchronization

    QOwnNotes VS Microsoft OneNote

     
  9. Docs icon

    Docs

     13 likes
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    A collaborative note-taking, wiki, and documentation platform that scales. Built with Django and React. Open source alternative to Notion, Confluence, or Outline.

    27 Docs alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Self-Hosted
    • Docker
    • Online
    Docs screenshot 1

    Properties

    1.  Minimalistic

    Features

    1.  No Tracking
    2.  Ad-free
    3.  Real time collaboration
    4.  Support for MarkDown
    5.  Works Offline
    6.  Text formatting
    7.  Export to PDF
    8.  Simultaneous Users
    9.  Knowledge Management
    10.  Add subpages
    11.  Support for Keyboard Shortcuts
    12.  Integrated Search

    Docs VS Microsoft OneNote

     
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