Dropbox - Online Sync and File Sharing
Sync.com - Sync. com offers a backup tool and a file sharing service, rolled into one.
ownCloud - ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.
Zoho WorkDrive - File storage & content collaboration tool for modern teams
Mega - Secure File Storage and collaboration
GMX File Storage - The GMX File Storage Manager allows your PC and your GMX File Storage to exchange data via the...