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
Menu In Pictures - A crowdsourced map for restaurant menus
Google Drive - Access and sync your files anywhere
Olmo - Connect with the right people
Mega - Secure File Storage and collaboration
What to Eat in - Discover what real locals eat all around the world 🌍