Alternatives to TreeLine for all platforms with any license

  • WorkFlowy icon


    List-making software with infinite levels of indentation, giving you the flexibility of infinite layers of organization.

    Freemium Web / Cloud Android iPhone Android Tablet iPad

  • icon is a notepad, a to-do list, and an outliner, but with advanced features that make the cloud-based application much more useful...

    Freemium Mac Windows Web / Cloud Android iPhone

  • UV Outliner icon

    UV Outliner Discontinued

    UV Outliner is a small and powerful single-pane outliner. It is intended for creating, organizing, and collecting information. With...

    Free Windows

  • Checkvist icon


    Checkvist is a web tool for creating online outlines, hierarchical task lists, collecting and structuring all kinds of information. It...

    Freemium Web / Cloud Android iPhone iPad

  • TreePad icon


    A free and lightweight outliner, only 465KB in size. It allows you to store all your notes, emails, texts, hyperlinks, etc. into one...

    Free Personal Windows Linux Raspberry Pi

  • OmniOutliner icon


    OmniOutliner is a start-to-finish writing app. Perfect for collecting information, outlining Big Ideas, adding structure to any sort...

    Commercial Mac iPhone iPad

  • Tkoutline icon


    Tkoutline is a single pane, cross-platform outline editor written in Tcl/Tk . With this editor, information can be structured...

    Open Source Windows Linux

  • Altova XMLSpy icon

    Altova XMLSpy

    Altova XMLSpy is the industry's best-selling XML editor and development environment for modeling, editing, transforming, and...

    Commercial Windows

  • XML Copy Editor icon

    XML Copy Editor

    XML Copy Editor is a fast, free, validating XML editor. * DTD/XML Schema/RELAX NG validation * XSLT * XPath *...

    Open Source Windows Linux

  • XML Notepad icon

    XML Notepad

    XML Notepad provides a simple intuitive user interface for browsing and editing XML documents. Handy features include: *...

    Open Source Windows

  • Firstobject XML Editor icon

    Firstobject XML Editor

    Firstobject's free XML editor for Windows is called foxe. It loads big files (multi-megabyte) fast and lets you format XML and...

    Free Windows

  • <oXygen/> XML Editor icon

    <oXygen/> XML Editor

    <oXygen/> XML Editor is a cross platform XML Editor providing tools for XML authoring, XML conversion, XSL, XSLT, XQuery, XML...

    Commercial Mac Windows Linux

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  • Natara Bonsai icon

    Natara Bonsai

    Natara Bonsai is a Palm OS and Windows Mobile outliner application with a Windows desktop client that also works as a full-featured...

    Commercial Windows Windows Mobile HP webOS

  • Outspline icon


    Extensible outliner and personal time organizer to manage todo lists, schedule tasks, remind events.

    Open Source Linux Python wxPython

  • Cloud Outliner icon

    Cloud Outliner

    Cross-platform app for Mac, iPhone, iPad, and iPod Touch. Sync outlines between computers and devices with iCloud. Sync outlines with...

    Commercial Mac Web / Cloud iPhone iPad

  • InfoSelect icon


    Info Select 2007 is the award-winning Personal Information Manager that organizes Internet data, notes, to-do's, schedules...

    Commercial Windows

  • WMHelp XMLPad icon

    WMHelp XMLPad

    XMLPad is a XML editor, XML-Schema editor, validator and a lot more: -- Full XML Schema support. -- Project system with CVS support....

    Freemium Windows iPad

  • The Outliner of Giants icon

    The Outliner of Giants

    The Outliner of Giants is a feature rich outline processor designed to support the creation and management of large corpuses of...

    Freemium Web / Cloud

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  • Simple Outliner icon

    Simple Outliner

    Simple Outliner is an outline processor which can be operated easily. FEATURES: - Hierarchical outline. - Data can be exchanged...

    Freemium iPhone iPad

  • Foldout icon


    The single-pane outliner that Windows users have been searching for for years, free! Extensive keyboard commands make outlining a...

    Free Windows .NET Framework

  • Fargo icon


    Fargo is a simple idea outliner, notepad, todo list, blogging tool, project organizer. It's an HTML 5 application, written in...

    Free Web / Cloud Dropbox

  • Orgzly icon


    Outliner for notes and tasks in plain-text

    Free Android

  • XML Tree Editor icon

    XML Tree Editor

    XML Tree is a basic cross-platform tree view XML editor. It displays XML files as tree views and allows basic operations: adding...

    Free Windows Linux

  • XML Marker icon

    XML Marker

    The simple yet actually fast source-level XML Editor XML Marker uses a combination of syntax-highlighting editor, tree view, and table...

    Commercial Windows

  • EditiX icon


    EditiX is a powerful and easy to use XML editor, Visual Schema Editor, XQuery Editor and XSLT debugger for Windows, Linux and Mac OS X...

    Commercial Mac Windows Linux

  • XPontus XML Editor icon

    XPontus XML Editor

    XPontus XML Editor is a simple XML Editor oriented towards text editing. It can perform validation (DTD, XML Schema, Relax NG, Batch...

    Open Source Mac Windows Linux

  • Stylus Studio icon

    Stylus Studio

    Stylus Studio® 2010 XML Enterprise Suite is an advanced XML Integrated Development Environment (XML IDE) consisting of hundreds...

    Commercial Windows

  • XMLmind XML Editor icon

    XMLmind XML Editor

    XMLmind XML Editor allows to author large, complex, modular, XML documents. It makes it easy mastering XML vocabularies such as...

    Commercial Mac Windows Linux

  • agendarium icon


    agendarium orders goals and tasks that are important to you and your teams

    Free Web / Cloud

  • buzz.opml icon


    Buzz is a fast graphical editor for XML files with special support for OPML. Using the OPML convergence tools it will edit about any...

    Open Source Mac Windows Linux

  • XMLFox icon


    XMLFox XML/XSD editor is the Windows based graphical tool for authoring, updating, exploring, well-formedness checking or validating...

    Freemium Windows

  • Database Oasis icon

    Database Oasis

    A software that lets you create custom databases without knowing anything about them. Database Oasis' simple point and click...

    Commercial Windows

  • OpenJean icon


    PIM software, personal information manager, open source, cross-platform, organizer, address book, appointment, calendar, diary

    Open Source Mac Windows Linux

  • ExamXML icon


    ExamXML displays XML documents in a tree view, highlighting differences down to the level of elements, words or attributes, so that...

    Commercial Windows

  • Free DocusTree icon

    Free DocusTree

    With Free DocusTree you can easily organize your documents, daily activities, calendar and webpages and navigate to them...

    Free Windows

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