What are some alternatives?
When comparing My Storybook and oStorybook, you can also consider the following products
Storybird - Visual storytelling community
Manuskript - Open-source tool for writers.
Fanfiction.net - The most popular fan fiction website in the world according to Wikipedia
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
Storyboard That - Storyboard That is the world's best online storyboard creator.
bibisco - bibisco is a novel writing software.