African Storybook is an open access picture storybooks collection in 189 African languages.
Children's Books Online: the Rosetta Project is a large collection of antique books with amazing illustrations. Translation into several languages is available. Books are indexed according to interest level. Some audio books included as well.
Global Digital Library includes storybooks and other reading materials easily accessible from mobile phones or computers in 43 languages.
International Children's Digital Library The library for the World's children. A collection of multicultural and multilingual books. A free ICDL app is available at AppStore.
Story Weaver is a digital repository of multilingual stories for children.
Worldreader includes digital books and stories accessible from mobile devices and functionality to support reading instruction. Available in 52 languages.
Epic! Unlimited Books for Kids a comprehensive and popular e-book library that offers thousands of titles from picture books, graphic novels to junior novels from some of the world's best publishers. Ages 4 and up (12). Free and works on iPads and iPhones. Sign-up for access.
I'm Reading! offers a small collection of online e-books including audio (read aloud). Indexed, including plays, fiction, comics, folktales, myths, and some nonfiction.
Oxford Owl is a free eBooks collection, developed for children aged 3–11 years old from Oxford University Press. These books help your young child learn to read, and love to read, with the range of over 150 eBooks. Oxford Owl eBooks are tablet-friendly. Just register to start reading.
Storyline Online Actors reading stories from popular children's books.
Storynory features free audio stories for kids. Storynory has published a new audio story every week since November 2005. Includes fairy tales by the Brothers Grimm or Hans Christian Anderson, as well as unusual stories from around the world. Also includes original children's stories. All stories and audio books come with a full English text. Double click any word in the text for translation into a host of languages.
Story time from Space “What you cannot imagine, you cannot do”. Now imagine Astronauts on the Space Station reading stories to and conducting science experiments for the children of Earth as the world rotates below. Story Time from Space is a project of the Global Space Education Foundation who sent the first set of children’s books to the International Space Station! While in space, astronauts are videotaping themselves reading these books to the children of Earth.
“I, Humanity.” YouTube, Story Time From Space, 11 Aug. 2017, www.youtube.com/watch?time_continue=28.
50 Places to Find Free Books Online, a comprehensive list of online books of all ages, on lots of categories.