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
SyMenu - SyMenu is a portable menu launcher and Start Menu replacement to organize your applications quickly...
Google Drive - Access and sync your files anywhere
PortableApps.com - PortableApps.com is a website offering many free, commonly used Windows applications that have been...
Mega - Secure File Storage and collaboration
Windows System Control Center - WSCC supports the following utility suites: - Sysinternals Suite - NirSoft Utilities