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.
Binfer - Direct device-to-device data transfer platform
Dropbox - Online Sync and File Sharing
Teamplace - The Unlimited Cloud Storage made for Teams!
Google Drive - Access and sync your files anywhere
Filegear - Filegear is a smart documents management platform that allows users to exchange files for official or individual purposes with instant download or upload efficacy as an online mode.
Mega - Secure File Storage and collaboration