TreeLine Alternatives

TreeLine is described as 'Just stores almost any kind of information. A tree structure makes it easy to keep things organized. And each node in the tree can contain several fields, forming a mini-database. The output format for each node can be defined, and the output can be shown on the screen' and is a XML Editor in the office & productivity category. There are more than 25 alternatives to TreeLine for a variety of platforms, including Windows, Mac, Linux, iPhone and iPad apps. The best TreeLine alternative is Workflowy, which is free. Other great apps like TreeLine are Orgzly Revived, OmniOutliner, Orgzly and Zavala.

TreeLine iconTreeLine
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TreeLine just stores almost any kind of information. A tree structure makes it easy to keep things organized. And each node...

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TreeLine alternatives page was last updated May 4, 2025
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  1. Workflowy icon

    Workflowy

     309 likes
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    Manage your thoughts and projects with infinite levels of indentation, easy syncing with mobile apps, and features like hoisting and inline notes. Suitable for personal use, task management, and seamless team collaboration.

    323 Workflowy alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Workflowy screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Infinite hierarchical depth
    2.  Tagging
    3.  Nested lists
    4.  Hierarchical Structure
    5.  Kanban Board
    6.  Import/Export OPML Feeds
    7.  Real time collaboration
    8.  Ad-free
    9.  Subtasks
    10.  WYSIWYG Support
    11.  Dark Mode
    12.  Full-Text Search

    Workflowy VS TreeLine

     

    • Workflowy is the most popular Web-based, Windows, Android & Mac alternative to TreeLine.

    • Workflowy is the most popular free alternative to TreeLine.

    • Workflowy is Freemium and ProprietaryTreeLine is Free and Open Source
  2. Orgzly Revived icon

    Orgzly Revived

     11 likes
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    Outliner for taking notes and managing to-do lists.

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • International

    Platforms

    • Android
    • F-Droid
    Orgzly Revived screenshot 1
    Orgzly Revived screenshot 2
    Orgzly Revived screenshot 3

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Ad-free
    2.  Cloud Sync
    3.  No Tracking
    4. Dropbox icon  Sync with Dropbox
    5.  No registration required
    6.  Dark Mode
    7.  Pomodoro Timer
    8.  Works Offline
    9.  Org-mode
    10.  Outliner
    11.  Tree structure

    Orgzly Revived VS TreeLine

     

    • Orgzly Revived is the most popular Open Source alternative to TreeLine.

    • Orgzly Revived is Free and Open SourceTreeLine is also Free and Open Source
    • Orgzly Revived is Privacy focused and LightweightTreeLine is not according to our users
  4. OmniOutliner icon

    OmniOutliner

     48 likes
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    OmniOutliner is a start-to-finish writing app. Perfect for collecting information, outlining Big Ideas, adding structure to any sort of writing, and much more. From grocery lists to email drafts to long-form composition.

    78 OmniOutliner alternatives

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • iPhone
    • iPad
    OmniOutliner screenshot 1

    OmniOutliner Features

    1.  Hierarchical Structure
    2.  Import/Export OPML Feeds
    3.  Brainstorming
    4.  Note organization
    5.  Outliner
    6.  Multi Column View
    7.  Programmable
    8.  Outline organization
    9.  Outline folding

    OmniOutliner VS TreeLine

     

    • OmniOutliner is the most popular commercial alternative to TreeLine.

    • OmniOutliner is Paid and ProprietaryTreeLine is Free and Open Source
  5. Ad
    Screenshot
    Workflowy icon
    Workflowy

    Manage your thoughts and projects with infinite levels of indentation, easy syncing with mobile apps, and features like hoisting and inline notes. Suitable for personal use, task management, and seamless team collaboration.

    https://workflowy.com
    Learn More
  6. Orgzly icon

    Orgzly

     42 likes
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    You can keep notebooks stored in plain-text and have them synchronized with a directory on your mobile device, SD card, Dropbox, or over WebDAV.

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Android
    • Android Tablet
    Orgzly screenshot 1
    Orgzly screenshot 2
    Orgzly screenshot 3
    Discontinued

    The last update is from Nov. 2022, but there is fork: https://github.com/orgzly-revived

    Properties

    1.  Lightweight

    Features

    1.  Org-mode
    2.  Tree structure
    3.  Works Offline
    4.  No Tracking
    5.  Dark Mode
    6.  Ad-free
    7.  Full-Text Search
    8.  Recurring Tasks
    9.  Support for MarkDown
    10. Dropbox icon  Sync with Dropbox

    Orgzly VS TreeLine

     
  7. Zavala icon

    Zavala

     8 likes
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    Zavala is a modern take on a traditional outliner. It supports all the things you want in a Mac app like multiple windows, keyboard shortcuts, a customizable toolbar, and a full menu bar.

    109 Zavala alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    • iPhone
    • iPad
    Zavala screenshot 1

    Zavala Features

    1.  Import/Export OPML Feeds
    2.  Support for MarkDown
    3.  Outliner
    4.  Sync with iCloud
    5.  Note organization

    Zavala VS TreeLine

     
  8. Checkvist icon

    Checkvist

     61 likes
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    A professional list-making tool. Minimalist, keyboard-centric online outliner and task management application. Free sharing, unlimited lists, free import and export. Markdown and code support. Good for geeks 🤓 and keyboard lovers 💻.

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • CZ flagCzechia
    • European Union flagEU

    Platforms

    • Online
    • Android
    • iPhone
    • iPad
    • Software as a Service (SaaS)
    Dark UI scheme

    Top Checkvist Features

    1.  Support for Keyboard Shortcuts
    2.  Content Filtering
    3.  Calendar Sync
    4. Google Calendar icon  Sync with Google Calendar
    5.  Support for MarkDown
    6.  Real time collaboration
    7.  Cloud Sync
    8. Zapier icon  Zapier integration
    9.  Wiki-like local linking
    10.  Save Attachments
    11.  Streamlined interface
    12.  Integrated Search

    Checkvist VS TreeLine

     

    • Checkvist is the most popular SaaS alternative to TreeLine.

    • Checkvist is Freemium and ProprietaryTreeLine is Free and Open Source
  10. Legend icon

    Legend

     54 likes
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    Legend (formerly Moo.do) is a notepad, a to-do list, and an outliner, but with advanced features that make the cloud-based application much more useful than any of those tools would be on their own.

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Software as a Service (SaaS)
    Legend screenshot 1

    Properties

    1.  Support for Themes
    2.  Privacy focused

    Features

    1.  Works Offline
    2.  Live Preview
    3.  AES-256 Encryption
    4.  Recurring Tasks
    5.  Hierarchical Structure
    6.  Dark Mode
    7.  Full-Text Search
    8.  File Tagging
    9.  Ad-free
    10.  Calendar View
    11.  Subtasks
    12.  Calendar Integration

    Legend VS TreeLine

     
  11. 2dTaskBoard icon

    2dTaskBoard

     2 likes
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    Task management productivity app with Markdown support.

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • PL flagPoland
    • European Union flagEU

    Platforms

    • Linux
    • Flathub
    • Flatpak
    • Online
    2dTaskBoard screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Dark Mode
    2.  Works Offline
    3.  No Tracking
    4.  Ad-free
    5.  Support for MarkDown
    6.  No registration required
    7. Obsidian icon  Obsidian Integration
    8.  Support for Keyboard Shortcuts
    9.  Progress tracking
    10.  Mermaid support
    11.  Attachments

    2dTaskBoard VS TreeLine

     
  12. TreePad icon

    TreePad

     31 likes
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    A free and lightweight outliner, only 465KB in size. It allows you to store all your notes, emails, texts, hyperlinks, etc. into one or multiple plain-text databases. With the look and feel of the familiar Windows Explorer, editing, storing, browsing, searching, and retrieving...

    77 TreePad alternatives

    License model

    • Free Personal • Proprietary

    Application types

    Country of Origin

    • NL flagNetherlands
    • European Union flagEU

    Platforms

    • Windows
    • Linux
    • Wine
    • Raspberry Pi
    Main Window
    Discontinued

    The treepad website is no longer available. You can still find the program at https://web.archive.org/web/20190720190155/http://www.treepad.com/treepadfreeware/

    Properties

    1.  Lightweight

    Features

    1.  Full-Text Search
    2.  Hierarchical Structure
    3.  Portable
    4.  Outliner
    5.  Tree structure

    TreePad VS TreeLine

     
  13. Outlinely icon

    Outlinely

     10 likes
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    Indispensable information organization tool for knowledge workers.

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Mac
    • iPhone
    • iPad
    Outlinely screenshot 1

    Top Outlinely Features

    1.  Dark Mode
    2.  Cloud Sync
    3.  Support for MarkDown
    4.  Ad-free
    5.  Spell Checking
    6.  Full-Text Search
    7.  Knowledge Management
    8.  Outliner
    9.  Personal Information Manager (PIM)
    10.  Export to PDF
    11.  Sync with iCloud

    Outlinely VS TreeLine

     
  14. Visual Outliner icon

    Visual Outliner

     4 likes
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    Visual Outliner is an outliner software for Windows, and it uses OPML as native file format. It's not just another tasklist application, but a real outliner editor that can be used to write, view, modify, and maintain hierarchically arranged text.

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Windows
    Visual Outliner Blackboard Theme

    Properties

    1.  Lightweight
    2.  Support for Themes

    Features

    1.  Import/Export OPML Feeds
    2.  Outline folding
    3.  Styles based on outline hierearchy
    4.  Outline organization
    5.  Drag and Drop
    6.  Outliner
    7.  Brainstorming
    8.  Data export/import
    9.  Brainstorm mode
    10.  Theme changing

    Visual Outliner VS TreeLine

     
  15. Tkoutline icon

    Tkoutline

     7 likes
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    Tkoutline is a single pane, cross-platform outline editor written in Tcl/Tk . With this editor, information can be structured hierarchically in an outline and outlines can be hyperlinked together to create a web of outlines.

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    • Linux
    Tkoutline screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Subtasks
    2.  Portable
    3.  Ad-free
    4.  Hierarchical Structure
    5.  No registration required
    6.  Works Offline
    7.  Outliner

    Tkoutline VS TreeLine

     
12 of 44 TreeLine alternatives