NeO is described as 'powerful outliner built for OS X. Using NeO, you can efficiently manage and organize pieces of information. NeO supports basic outliner facilities, such as creating, moving, sorting, grouping, combining and gathering items' and is an app in the Office & Productivity category. There are seven alternatives to NeO for a variety of platforms, including Mac, Windows, iPhone, iPad and Android Tablet. The best alternative is Orgzly, which is both free and Open Source. Other great apps like NeO are OmniOutliner (Paid), Tinderbox (Paid), Visual Outliner (Freemium) and OutlineEdit (Free).
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 grocery lists to email drafts to long-form composition.
Visual Outliner is an outliner software for Windows, and it uses OPML as native file format. It's not just another tasklist application, but a real outliner editor that can be used to write, view, modify, and maintain hierarchically arranged text.
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 learning, working and planning your projects.
Dashword is by far the most convenient and user-friendly tool for creating any semantic network, be it your business idea, an abstract of a lecture on computer science, a script for a movie or a recipe for your favorite dish.