Manuskript - Open-source tool for writers.
Storyboard That - Storyboard That is the world's best online storyboard creator.
StoryMill - Developers and publishers of Mac, Win, and iOS productivity, home and office and writing software such as MacGourmet, Paperless and many more. Based in MN.
Storyboarder - Storyboarder makes it easy to visualize a story as fast you can draw stick figures.
Novelize - Novelize is an online novel writing app designed to keep authors on track.
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.