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.
Easy Reader - EasyReader can customize and improve the readability of long web articles
Dropbox - Online Sync and File Sharing
Save For Later - Allows you to bookmark any website to read later.
Google Drive - Access and sync your files anywhere
Pratsam Reader Win - Pratsam Reader Win is an accessible DAISY book player customized for the visually impaired and...
Mega - Secure File Storage and collaboration