The site is called Get Free Ebooks and there are a lot of different titles for a person to choose from in both fiction and non-fiction genres. Most are available in PDF format, but there are also versions in EPUB, Kindle, HTML, MOBI, and many more. There are books on poetry, science fiction, science fact, history and the list goes on and on.
From the home page, you can also find a few free magazines to subscribe to as you can even upload ebooks to the list. But they have to be available free of charge.
Run over and check them out. There are enough different titles that there's sure to be something you'll want to read either on your computer, you iPhone, or on your Kindle.