Pressbooks - Create books: print and ebooks
Meminto Stories - Meminto Stories makes it easy for anyone to become the author of their own book.
Impressed Photo Books - Create a photo book in minutes. Starting at $22.
boook.link - boook.link is a web-based tool for creating one single link / landing page for a book, so your readers can choose from which store to buy the book.
Backup - Easy full stack backup operations on UNIX-like systems. - backup/backup
100 Million Books - Discover books every time you open a new Chrome tab.