Alternatives to Tkoutline 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
Infinite hierarchical depth Export to OPML Data export/import Full text search ... Hierarchical structure Import feeds from OPML Outline mode Outline organization Real time collaboration Tree view Zoom integration Add a feature

206 Like
Dynalist

Dynalist is a web app that lets you break down and organize your thoughts in the format of lists.

Freemium $ $ $ Mac Windows Linux Web Android ... iPhone
MarkDown support Search by tags Night mode/Dark Theme Cross Linking ... Google Calendar integration Support for Keyboard Shortcuts List management Night mode/Dark Theme Works Offline Outline mode Add a feature

70 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 Outline organization ... Real time collaboration Add a feature

53 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
Orgzly

Outliner for notes, tasks and to-dos.

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

15 Like
MemPad

MemPad is a plain text outliner and note taking program with a structured index. All pages are stored in a single file. User interface available in 20 languages.

Free Windows
No features added Add a feature

11 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...
- Discontinued The program is no longer updated. Last version, 2.4.4, released in October 2012, can be still downloaded from the official website.
Free Windows
No features added Add a feature

31 Like
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
OutlineEdit

The beautifully crafted outliner for your Mac. Keep ideas structured and collected every day.

Free Mac
No features added Add a feature

3 Like
Foldout

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

Free Windows .NET Framework
Import feeds from OPML Add a feature

3 Like
Outspline

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

Free Open Source Linux Python wxPython
No features added Add a feature

4 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...
- Discontinued Per their website, Fargo was retired in Sept 2017.
Free Web Dropbox
No features added Add a feature

5 Like
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
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