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.
GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.
BlankPage - Stay motivated to write, and finish your story
MkDocs - Project documentation with Markdown.
Manuskript - Open-source tool for writers.
Docusaurus - Easy to maintain open source documentation websites