Microsoft SkyDrive

Microsoft SkyDrive screenshots

It is an app which automatically syncs your files across your computers
Main window
Microsoft SkyDrive 16.4 : Main window

Alternative downloads

Microsoft OneDrive
Free file hosting service with full synchronization with your portable devices.
BitTorrent Sync
Simple and secure file syncing for IT and individuals.
Storegate Sync
The Storegate Sync client synchronises files between computers.