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Tree 2 is an outliner featuring a horizontally expandable tree view. Tree assists you in organizing your information, sketching plans, and brainstorming new ideas. Tree allows you to store your ideas and keywords in segments that you can sort, re-arrange, and constantly refine. Tree is designed to be a lightweight application that lets you concentrate on your ideas.

If you don't like the Mac App Store, you can purchase Tree directly from the developer by requesting a special purchase page. (See Contact at the bottom of the page for more...

What's New

Version 2.0.2:
  • Changed the operation for particular control characters when exporting to OPML.
  • Fixed a display update issue that would occur after changing the Numbering Format.
  • Fixed a display update issue that would occur after switching displaying checkboxes.
  • Fixed a display update issue that would occur after changing the font when using plain text.


  • OS X 10.9 or later

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5 19


Current Version (2.x)


Downloads 21,687
Version Downloads 117
License Demo
Date 12 Jan 2015
Platform Intel 64 / OS X
Price $9.99
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