Version: 1.9.4 || Release Date: 2013-12-11 || License: Commercial with demo ($14.99) App Owner: arch

Tree, Outliner for Mac OS X. Horizontally expanding outliner.

Tree 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.

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2 Opinions

Best outliner. Very cool!!

Yes, Tree is pricey for the features it offers. Bridging the gap between outliner and mind mapper with its excellent tree view, Tree offers a visually striking spatial representation of your data. Nodes can be color coded and annotated with inline notes. On the downside, the current inability to change the color or contrast of the tree branches, disclosure triangles, and checkboxes, coupled with a similar inability to style text (no bold, underline, italics) is limiting. Hardcore outliner users will do better elsewhere, but for those whose outlining needs are straightforward and who benefit from a more spatial representation of data, Tree may be the outliner you've been waiting for.