Tales Untold - Smart stories for smart kids (and smart parents, too).
Typora - A minimal Markdown reading & writing app.
My Storytime - Tell stories, even when you’re apart with Google Assistant
Dillinger - joemccann has 95 repositories available. Follow their code on GitHub.
The WALLOBOOKS Project - A magical storybook anybody can write, every kid can read
StackEdit - Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.