Plottr - The #1 rated visual book planning and series bible software for professional and aspiring writers.
Hullabalu - Interactive stories for kids
Plot Factory - Online story planner, organizer, and writing application.
Hellosaurus - Interactive mobile shows kids can play, not just watch
Story Planner for Writers - A beautiful and easy-to-use app to outline your novels and screenplays.
Night Zookeeper - Help children develop storytelling skills