Scrivener is an amazing tool from Literature and Latte for the professional writer, or the writer wannabe in everyone.

Running on Mac OSX, Scrivener gives you all of the tools to store and organize all kinds of ideas and information one may wish to use in your writing. Information can then be retrieved and displayed in a number of flexible ways to organize and begin writing that special novel, screenplay and more. Everything thrown into Scrivener can be organized as outlines, on corkboard displays and more. You can work on more than one document at a time, and all information is retrievable in key word searching. Best of all, Scrivener can output documents in key formats for lots of different word processors and even Final Draft professional screenwriting software for Mac and Windows.