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.
Ubiquiti UniFi - UniFi is the SDN platform for Ubiquitis UniFi series
Dropbox - Online Sync and File Sharing
Unifi - Unifi is an enterprise-class data integration platform built natively on Hadoop.
Google Drive - Access and sync your files anywhere
Beehive SDN Controller - A distributed SDN controller with OpenFlow support
Mega - Secure File Storage and collaboration