View native Microsoft Word, Excel and PowerPoint files & attachments with Documents To Go Main App. Purchase the full version to edit and create files. Universal app.
Quickoffice gives you the power to create and edit Microsoft® Office files from anywhere - anytime. Universal app. Free.
RefWorks is a web-based citation manager that allows you to create your own personal database by importing references from online databases. RefMobile, the mobile website for RefWorks, allows you to search your database, add comments, and view, add, and remove references.
"Mendeley is a free reference manager and academic social network that can help you organize your research, collaborate with others online, and discover the latest research." App available for the iPhone, iPad, and iPod Touch.