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.
Mega - Secure File Storage and collaboration
Dropbox - Online Sync and File Sharing
Google Drive - Access and sync your files anywhere
MediaFire - MediaFire is the simple solution for uploading and downloading files on the internet.
WeTransfer - WeTransfer is a free service to send big or small files from A to B.
Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.