iA Writer is an iPad app aimed at writers, which features keyboard extensions, swipe undo/redos and more. It also supports Dropbox so sounds great at first. However, there is no foldering system so all documents are saved in one folder and can be tricky to find later. Almost but not quite!

Mindmapping for iPad! MindNode is a great way to record all your thoughts and organize them by way of mind maps. To-do lists, holiday planning, events, projects...MindNode is a clever way to keep on top of it all. Documents can be imported and exported from MindNode for Mac and Dropbox

It's the #1 selling non-Apple app for a reason - anyone who needs PDF access, needs GoodReader. Enabling iPad users to access. edit and comment on all PDFs, no matter what the size and sync with Dropbox, iDisk, SugarSync and more, this will make your working or studying life a lot simpler.

Created for photojournalists, Filterstorm Pro offers an unbeatable range of features and functions. Enhance and edit images, store multiple copies, add IPTC metadeta, use filters, add curves, export and much more. There's no question, keen photographers need this in their lives.

Bringing Dropbox to your mobile device, this great app enables you to share files, photos, videos, presentations and more. Save phone photos and videos, share them with your friends and receive some in return. A must for students, mobile workers and everyone else. We don't know how we functioned before!