You can borrow ebooks for free from OpenLibrary’s selection of hundreds of thousands of scanned ebooks, accessible from anywhere in the world. All you need is an email address to register which takes one minute.
Tens of thousands of local libraries worldwide provide ebooks and audiobooks for free through OverDrive. You will need your library card to sign in, then you can read books in the OverDrive app.
Scribd is a subscription library with probably the best selection of titles - you can read 3 ebooks plus 1 audiobook per month - there’s also a smaller selection called Scribd Select that you can read unlimited titles from. You can read both online and offline in the Scribd iOS and Android app. Sign up for a free 30-day trial here.
A subscription library for technical and business books. It is designed for those who read to learn - access to online courses is also included. Read in the Safari Books iOS or Android app, or in your web browser. You can sign up for a free trial without a credit card here.