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.
Dropbox - Online Sync and File Sharing
Nintex - Cloud-based digital workflow management automation platform
Google Drive - Access and sync your files anywhere
dapulse - Lead by showing your team the Big Picture. Get everyone working together on what's important.
Mega - Secure File Storage and collaboration
Bizagi - Bizagi is a Business Process Management (BPMS) solution for faster and flexible process automation. It's powerful yet intuitive BPM Suite is designed to make your business more agile.