DropN9 is a DropBox client that has been previously available for the Nokia N9/N950 but has now hit the Nokia Store for download for the irresistible price of FREE !!!!
 

 
You can:

• Navigate Folders
• Create Folders
• Download Files
• Upload Files
• Multi Select Files
• Delete Files / Folders
• Que Files for Download / Upload

A DropBox is something that no OS should do without 🙂

In using the application it did initially complain about not being create the following directory:

/home/user/MyDocs/dropbox/cache

An easy work around is to manually create it.

Source Nokia Store