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.
StatCounter - StatCounter is a simple but powerful real-time web analytics service that helps you track, analyse and understand your visitors so you can make good decisions to become more successful online.
Dropbox - Online Sync and File Sharing
Histats - Start tracking your visitors in 1 minute!
Google Drive - Access and sync your files anywhere
AFSAnalytics - AFSAnalytics.
Mega - Secure File Storage and collaboration