Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Plottr - The #1 rated visual book planning and series bible software for professional and aspiring writers.
OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.
Plot Factory - Online story planner, organizer, and writing application.
Better Notes - Simple notes app that ties notes together with #hashtags
Story Planner for Writers - A beautiful and easy-to-use app to outline your novels and screenplays.