Dropbox - Online Sync and File Sharing
Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.
Google Drive - Access and sync your files anywhere
ownCloud - ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.
Synology DS216+II - Synology DS216+II is a great data integration hardware which is provided by Synology Technologies.
Freehold - An open, secure, and lightweight platform for your files and data.