SOFTWARE FOR WRITERS (FREE TRIAL VERSION):
Dramatica Pro
http://www.writersstore.com/dramatica-pro-story-development-software?affiliate=0Z3KADIDF5
"At the beginning of the project, Dramatica Pro is great.... It puts you so far ahead. Again, it saves you time because you're not writing stuff you'll eventually have to throw away because you hadn't thoroughly thought it through." - Wes Craven, Writer/Director/Producer