From Write Brothers:
Product Description: The Choice of Hollywood Professionals. Award-winning Movie Magic Screenwriter has many features and flexibility. Whether you write novels, plays or movies this will format for you, leaving you to think about only the story. The power feature, SmartCheck, even finds and corrects common formatting errors before you print or send your story. See why Movie Magic Screenwriter is: A preferred file format of the WGA West. The Official Screenwriting Software of Project. Greenlight. The Official Screenwriting Software of the WGA East.
Integrated outlining lets you create and manipulate outlines up to thirty levels deep. The NaviDoc technology lets you navigate through your document effortlessly and has four panels: The Outline panel lets you add, remove, and rearrange outline elements.