Windows Mobile: If you're a Dropbox and Windows Mobile user, DroppedBoxx brings your Dropbox files and folder syncing to Windows Mobile.
Dropbox has released syncing apps for iPhone and Android, if you're feeling left out in the Windows Mobile camp, third-party tool DroppBoxx can help. Droppboxx enables Dropbox file browsing on Windows Mobile phones, file synchronisation, and has several features especially convenient on a mobile phone. You can download files from your Dropbox folders and kick them over to your mobile email client as attachments and take pictures on your phone and upload them to your Dropbox account.
DroppBoxx is freeware, Windows Mobile only. Have a favourite Dropbox tip or Windows Mobile app to share? Let's hear about it in the comments.