For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
Dropbox - Online Sync and File Sharing
Tiger Jill - Crop and Farm Management
Google Drive - Access and sync your files anywhere
ifarma - Το ifarma είναι λογισμικό διαχείρισης αγροτικών εκμεταλλεύσεων για φορητές συσκευές και Η/Υ.
Mega - Secure File Storage and collaboration
AgVision - Crop and Farm Management