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.
ExpanDrive - ExpanDrive is a fast network drive and browser for cloud storage.
Dropbox - Online Sync and File Sharing
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Google Drive - Access and sync your files anywhere
FileCloud - FileCloud is an enterprise file share, sync and mobile access solution.
Mega - Secure File Storage and collaboration