Dropbox Folder Sync

Dropbox Folder Sync screenshots

It allows you to seamlessly sync folders outside the Dropbox folder

Alternative downloads

Allway Sync
Sync data between your desktop PCs, laptops, tablets, and more.
17.1.3
Atomic Clock Sync
Free utility for keeping our PC's clock synchronized.
3.0
FREE
CodeTwo Exchange Sync
Exchange Sync is an application enabling automatic synchronization of data.
2.1.8