Hoopla

Hoopla is a streaming and downloading service offering library patrons access to videos, music, eBooks, audiobooks, comics and TV shows without having to worry about late fees or lines.
Libby

Libby is a free app where you can enjoy eBooks, digital audiobooks, and magazines from your public library. You can stream titles with Wi-Fi or mobile data, or download them for offline use and read anytime, anywhere. All you need to get started is a library card.
Tumblebooks

The Tumble Book Library is an online collection of animated talking picture books, which teach kids the joy of reading in a format they love.