TreeLine

TreeLine 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...

Free Open Source Windows Linux

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

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

Outspline

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

Free Open Source Linux Python wxPython

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 OS X

Yarny

A simple to use online writing environment for the high-production, creative writer.

Freemium Web

Simple Outliner

Simple Outliner is an outline processor which can be operated easily. FEATURES: - Hierarchical outline. - Data can be exchanged with your PC as OPML or csv file...

Freemium iPhone iPad

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 OS X Windows Linux

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

Outline 4D

Outline 4D is an outlining and writing program that lets you brainstorm, create, structure and organize your ideas. In addition to a traditional vertical single-pane...

Commercial Windows

Outliner

Organize shopping lists, tasks, todo-lists, ideas and all kinds of memos. Or use it as a project management tool. Do it in a tree-structure with collapsable nodes. ...

Freemium Android