Atavist - Atavist provides a suite of publishing tools to tell stories and build websites.
Book In A Box - Book writing & publishing as a service
iBooks Author - iBooks Author, free from the Mac App store, allows you to create beautiful Multi-Touch textbooks — and just about any other kind of book.
Reedsy - Reedsy is a complete book publishing platform with an elegant, collaborative online editor.
kotobee - Kotobee is a universal eBook creating and publishing software for the authors, novelist, writers, etc.
PublishDrive - Self-publishing platform for business-driven indie authors.