What are some alternatives?
When comparing FBReader and Project Gutenberg, you can also consider the following products
calibre - Ebook manager, viewer & converter
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.
Amazon Kindle - Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
Scribd - Unlimited books, audiobooks & comics. Unparalleled discovery. Any device. $8.99/month
Cool Reader - Fast and small cross-platform eBook reader for desktops and handheld devices
The new iPad Pro - 10.5 inch - Thinner and better