Box Sync

Box Sync screenshots

Box Sync keeps files in sync between your desktop and Box account

Alternative downloads

SoonR Desktop Agent
With it, you can access and share files with your team from any device.
4.30.115
Syncdocs
Syncdocs syncs folders between all your PCs and Google Docs.
1.35.5591.1555
Microsoft Sync Services for ADO.NET (x86)
This software provides the ability to synchronize data from disparate sources.
2.0.1215
FREE