Amazon Kindle is a series of e-readers designed and marketed by Amazon.com.

EPUB is an e-book file format with the extension .epub that can be downloaded and read on devices like smartphones, tablets, computers, or e-readers.

NOOK is an ebook reading software.

iBooks is an e-book application by Apple Inc. for its iOS and macOS operating systems and devices.

Origami Engine is an Mobile App publishing platform that lets you create exciting interactive publications, apps, and documents without a single line of code.

OverDrive Media Console enables users to access audiobooks, eBooks, periodicals, and videos borrowed from libraries and schools.