Alternatives to Tree for all platforms with any license

WorkFlowy

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

Freemium $ $ $ Web Android iPhone Android Tablet iPad
Export to OPML Data export/import Full text search Hierarchical structure ... Infinite hierarchical depth Import feeds from OPML Real time collaboration Tree view Zoom integration Add a feature

202 Like
Scrivener

Scrivener is a word processor and project management tool created specifically for writers of long texts such as novels and research papers. It won't try to tell you...

Commercial Mac Windows Linux iPhone iPad ... Wine
Corkboard Distraction free writing Export to Word iPhone/iPod sync ... Support for LaTeX Quotas support Export to ePub Export to PDF Scripting Split files into sections Write in separate docs Add a feature

187 Like
Checkvist

A web tool for creating online outlines, hierarchical task lists, collecting, and structuring all kinds of information.

Freemium Web Android iPhone iPad
Keyboard centric Keyboard focused Support for Keyboard Shortcuts Real time collaboration Add a feature

51 Like
Moo.do

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...

Freemium Web Android iPhone Chrome OS
Real time collaboration Time Scheduling Add a feature

34 Like
germ.io

germ.io is a project management tool that is centered around ideas and taking them through to execution. germ features a visual outliner to create detailed...

Free Personal Mac Windows Linux Web Android Tablet ... iPad
Real time collaboration Add a feature

21 Like
- Discontinued No registrations not accepted. Facebook page updated in 2015.
Orgzly

Outliner for notes, tasks and to-dos.

Free Open Source Android Android Tablet
Sync with Dropbox To-Do management Add a feature

13 Like
UV Outliner

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

Free Windows
No features added Add a feature

30 Like
- Discontinued The program is no longer updated. Last version, 2.4.4, released in October 2012, can be still downloaded from the official website.
OmniOutliner

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...

Commercial Mac iPhone iPad
Export to OPML Import feeds from OPML Outline folding Outline organization ... Styles based on outline hierearchy Add a feature

32 Like
Tkoutline

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...

Free Open Source Windows Linux
No features added Add a feature

6 Like
OutlineEdit

A beautifully crafted outliner for your Mac: It helps you keep your ideas structured and collected. Use OutlineEdit as an empty canvas to sketch information - for...

Commercial $ $ $ Mac
No features added Add a feature

3 Like
Cloud Outliner

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

Commercial Mac Web iPhone iPad
No features added Add a feature

3 Like
Fargo

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

Free Web Dropbox
No features added Add a feature

5 Like
- Discontinued Per their website, Fargo was retired in Sept 2017.
Writing Outliner

Writing Outliner is an outliner that's seamlessly integrated with MS Word. The most important concept of Writing Outliner is project-based writing. A project...

Commercial Windows Microsoft Office Word
No features added Add a feature

3 Like
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 standalone outliner and task manager....

Commercial Windows Windows Mobile HP webOS
No features added Add a feature

6 Like
- Discontinued Official site inaccessible, but app still available on download sites.
buzz.opml

Buzz is a fast graphical editor for XML files with special support for OPML. Using the OPML convergence tools it will edit about any outline and many forms of indented...

Free Open Source Mac Windows Linux
Import feeds from OPML Add a feature

2 Like