Mariner StoryMill 4 for Mac Built so that you can develop your characters, locations and all the other elements of your story. Visually and interactively displaying a story across time, you can arrange the scenes of your novel in chronological order Snapshots so you can make backup copies of your work before making those experimental changes to your prose. Theres a place for all your research  add pictures, files and notes right into StoryMill  keeping it altogether and available whenever you need it Set a daily writing goal and keep track of it using the Progress Meter