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
Pok Pok Playroom - Handcrafted toys for kids to spark creativity & learning
Google Drive - Access and sync your files anywhere
Waddle Photos - Meaningful stories about your children.
Mega - Secure File Storage and collaboration
Clutter - Stores what won’t fit in your closet