Sigil - Sigil is a multi-platform WYSIWYG ebook editor. It is designed to edit books in ePub format.
Lulu - Whether you're a teacher, photographer or hobbyist, share your expertise. Create & self publish your book today!
Vellum - Free beautiful hand-curated wallpapers for the iPhone
IngramSpark - IngramSpark is an Online publishing services provider platform that allows you to publish or print books that are in high quality, and its global distribution service enables you to post and share around the globe.
Pressbooks - Create books: print and ebooks
Blurb - Create and self-publish books, magazines & ebooks