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
PortableApps.com - PortableApps.com is a website offering many free, commonly used Windows applications that have been...
Google Drive - Access and sync your files anywhere
SyMenu - SyMenu is a portable menu launcher and Start Menu replacement to organize your applications quickly...
Mega - Secure File Storage and collaboration
PStart - PStart is a simple tray tool to start user defined applications.