Sigil - Sigil is a multi-platform WYSIWYG ebook editor. It is designed to edit books in ePub format.
FlippingBook - FlippingBook changes the way you present your documents
Vellum - Free beautiful hand-curated wallpapers for the iPhone
Scribd - Unlimited books, audiobooks & comics. Unparalleled discovery. Any device. $8.99/month
Pressbooks - Create books: print and ebooks
Joomag - Joomag is the all-in-one digital publishing platform empowering businesses large and small to create, distribute, track, and monetize their interactive content.