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.
AngularJS - AngularJS lets you extend HTML vocabulary for your application. The resulting environment is extraordinarily expressive, readable, and quick to develop.
Dropbox - Online Sync and File Sharing
Vue.js - Reactive Components for Modern Web Interfaces
Google Drive - Access and sync your files anywhere
React - A JavaScript library for building user interfaces
Mega - Secure File Storage and collaboration