ShareVault - ShareVault provides Virtual Data Rooms for secure document sharing during due diligence and other business critical processes.
Sync.com - Sync. com offers a backup tool and a file sharing service, rolled into one.
Drooms - Virtual data room software
Zoho WorkDrive - File storage & content collaboration tool for modern teams
Dropbox DocSend - Dropbox DocSend is a secure file and document sharing solution that gives users analytics and control of document in their critical workflows. Key features include sending documents as secure links, eSignature, and customizable virtual data rooms.
Yandex.Disk - Files on Yandex.Disk won't get lost if your phone or computer breaks.