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