Quickoffice emulates what we think of as an office suite on a desktop. While you probably won’t wish to constantly edit documents on the go, it is definitely an office suite that is robust enough to meet most users’ mobile needs.

Spreadsheets on the iPhone are always a bit of a compromise. Still, there are those who would like the option to edit and, yes, even create simple spreadsheets from their phone. Mariner Calc is an ambitious effort to remove the boundaries that have been imposed on spreadsheet users.

Good Reader is a document reader that stands out because it can read mega-sized files (200+ Mb!). The idea is wonderful, but the slow speeds and long load times make this one quite average.

TextGuru is a full fledged text editor for the iPhone. It let’s you organize files in nested folders, offers cut, copy and paste, can share files via wifi, and can import files via FTP and the Internet. It also serves as a viewer of common file formats such as PDF, MS Office, and more. It’s a jack of all trades utility for those serious about their documents.

DataCase allows you to both store documents on your iPhone and view them on the go.