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.
Uploaded - The easiest way to backup and share your files with everyone.
Dropbox - Online Sync and File Sharing
WeTransfer - WeTransfer is a free service to send big or small files from A to B.
Google Drive - Access and sync your files anywhere
MediaFire - MediaFire is the simple solution for uploading and downloading files on the internet.
Mega - Secure File Storage and collaboration