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
UCheck - UCheck is a tool that will help you to keep your software updated.
Google Drive - Access and sync your files anywhere
Avira Software Updater - Application that searches updates for software on your computer
Mega - Secure File Storage and collaboration
HEIMDAL FREE - HEIMDAL FREE is an application to automate your device software updates in order to improve your security.