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.
CloudApp - CloudApp allows you to share images, links, music, videos and files. Here is how it works: choose a file, drag it to the menubar and let us take care of the rest.
Dropbox - Online Sync and File Sharing
LucidLink - Distributed file system service for object-based cloud storage. Stream files from object stores directly to clients, providing end-to-end encryption and eliminating the hassle of downloading or syncing.
Google Drive - Access and sync your files anywhere
Mega - Secure File Storage and collaboration
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...