calibre - Ebook manager, viewer & converter
Mozilla Firefox - Get the browsers that put your privacy first — and always have
FBReader - FBReader is an e-book reader for various platforms. Features:
Brave - Fast and secure, ad and tracker blocking browser.
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.
Google Chrome - Google Chrome is a fast, secure, and free web browser, built for the modern web. Give it a try on your desktop today.