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.
Autopsy - The Sleuth Kit - Autopsy is an open source graphical interface to The Sleuth Kit and other digital forensics tools.
Dropbox - Online Sync and File Sharing
Encase eDiscovery - EnCase eDiscovery helps litigation experts to establish best practices throughout the e-discovery workflow.
Google Drive - Access and sync your files anywhere
Forensic Toolkit FTK - Digital Investigations
Mega - Secure File Storage and collaboration