SyncMate can also:

Sync Mac with Dropbox account

Contacts, calendars, media files, folders, and lots more!

Back up personal data
SyncMate is probably the only tool which can back up Mac contacts, calendars, Entourage and Mail notes, To Do/Reminders, and Safari bookmarks to Dropbox account.
Sync media files
Keep your favorite music, images and videos in sync between Mac and Dropbox account! SyncMate can easily sync media files in your Mac with Dropbox and vice versa.
Protect your data
No need to worry that your data can be viewed by anyone but you. SyncMate not only connects to your Dropbox account via HTTPS channel, but also allows protecting files with a password.
Dropbox sync Mac
Download Free version Buy SyncMate Expert
SyncMate is compatible with Mac OS X 10.5 and higher
Sync automatically
SyncMate allows you to sync data between your Dropbox account and Mac automatically - set the required sync parameters once and they will be applied during further sync processes.
Mac data at your fingertips
You can easily reach your data from any spot on the globe! Once it is synced from your Mac to your Dropbox account, it can be reached from anywhere.
Sync folders
With SyncMate you can easily sync the whole folders with files between your Mac and Dropbox instead of syncing each file separately.

All features for Dropbox