Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
VideoScribe - Make your own whiteboard video animations with Sparkol VideoScribe – award-winning video scribing app for PC, Mac and iPad. Free trial available.
Final Draft - Use your creative energy to focus on the content; let Final Draft take care of the style.
Easy Sketch Pro - Software Allows You To Create Amazing and NEW Interactive Sketch Videos, SkyRocket Engagement And...
yWriter - Free writing software designed by the author of the Hal Spacejock and Hal Junior series. yWriter6 helps you write a book by organising chapters, scenes, characters and locations in an easy-to-use interface.
Doodly - Create your own doodle video in just 60 seconds