An outliner is a special text editor that allows the grouping of text in sections that are organized in a tree data structure (hierarchy) of concepts, an outline. Outliner tools can be used for computer programming, collecting or organizing ideas, Getting Things Done, or project management.
Related Concepts: Mind mapping, Design, Visualization, indexing, mapping, Word processor.
=Outliner Tools=
Windows-only Software
ActionOutline
Ecco Pro
TreePad
Zoot
Scribble Papers
[http://www.mhst.net/cuecards2 CUEcards] - free german outliner for Windows
[http://www.tranglos.com/free/keynote.html Keynote] - free outliner for Windows
[http://hardtware.de/index.cgisite=products&action=outliner Outliner for Windows]
[http://www.dynamiclist.com/ Dynamic List] - free web outliner for IE/Windows
[http://www.pocketthinker.com/ PocketThinker]
[http://www.whizfolders.com/freetrial.aspxmid=or WhizFolders Organizer Pro]
[http://www.natara.com/Bonsai/index.cfm Natara Bonsai] - Outliner standalone on desktop, also provides true synchronization with Palm devices.
Macintosh-only Software
OmniOutliner
CircusPoniesNotebook
AquaMindsNotetaker
[http://blue-beach-systems.com/Products/Software/TAO/ TAO from Beach Systems]
Software for [http://en.wikipedia.org/wiki/UIQ UIQ SmartPhones]
[http://www.MandalaIT.com Mandala Notebook] - outliner with Word import/export
Cross-platform Software
Microsoft Word in outline mode is probably the most popular outliner (Windows/Mac)
[http://www.jhorman.org/wikidPad/ WikidPad] Open source Python based powerful outliner based on the Wiki approach
[http://microformats.org/wiki/xoxo-sample-code xoxo.py] Open source Python library for XOXO outlines
[http://buzz.sourceforge.net/ Buzz] a Python-based outliner
[http://hnb.sourceforge.net hnb] Hierarchical notebook (Originally for Unix)
[http://outliner.sourceforge.net/ Java outline editor] ( )
[http://leo.sourceforge.net/ Leo] - free multiplatform outliner
[http://tkoutline.sourceforge.net Tcl/Tk outline editor]
[http://www.emacswiki.org/cgi-bin/wikiOutlineMode EmacsWiki: OutlineMode] - (X)Emacs outline mode
[http://www.activerenderer.com/ activeRenderer outline publishing] for Radio UserLand Software
[http://www.vimoutliner.org vimoutliner] - Outliner for Vim text editor
[http://www.troubleshooters.com/projects/vimoutliner/ Old homepage]
[http://bike-nomad.com/vim/vimoutliner.html TVO: The Vim Outliner] - A better Vim outliner
[http://freemind.sourceforge.net/wiki/index.php/Main_Page FreeMind] - a Java-based mind mapping tool which can be used as an outliner
[http://www.decafbad.com/2005/07/map-test/tree2.html outliner.js] Open source CSS+Javascript based powerful XOXO outline editor
Cross-platform Software for Kids
[http://inspiration.com/productinfo/inspiration/index.cfm Inspiration - Visual Outliner for Mac and Windows]
[http://inspiration.com/productinfo/kidspiration/index.cfm Kidspiration - Visual Outliner]
File formats
OPML
OML
XOXO
=External links=
General Information
[http://www.outliners.com/ Outliners.com]
[http://www.expandingbrain.com/wiki/doku.php Expanding Brain Outliner Wiki]
[http://www.atpm.com/Back/atpo.shtml About this particular outliner]
[http://john.redmood.com/organizers.html Overview of Windows Outlining Programs]
[http://frontier.userland.com/tutorial/writingInOutlines Writing in Outlines]
[http://www.troubleshooters.com/tpromag/199911/199911.htm Outlines: The Do Everything Tool]
Programming or Technical Information
[http://opml.scripting.com/ Outline Processor Markup Language]
[http://oml.sourceforge.net/ Outline Markup Language]
[http://microformats.org/wiki/xoxo Extensible Open XHTML Outlines]