Wikipedia eBook Conversion Page

Contains an extensive list of Ebook conversion utilities. If you have a book you want to view on your favorite eBook reader, but the format isn't compatible, you can most likely find a conversion tool on this page to suit your needs. Contains commercial, trial and free offerings.

Stanza

Featuring a clean, well-organized interface, Stanza is expressly designed for reading digital publications, including electronic books, newspapers, PDFs, and general web content.

Adobe Reader

Adobe Reader software is the global standard for electronic document sharing.

WinZip

The powerful, fast, and easy-to-use zipping and unzipping utility. Also offers a free evaluation version.

Box.net

Don't Take Risks with Your Data. Hard drives fail; thumbdrives are easily lost or damaged. Why put your most important files at risk? Back up your data! When it's saved on Box, your critical data is always secure and accessible, miles away from threats to your computer.