GoodSync - GoodSync provides highly reliable file backup and synchronization for both individuals and businesses.
Code42 - Code42 is a SaaS solution for enterprises that secures all user data on one secure platform, leaving you and your business secure in the knowledge that both your employee's and customer's data is protected. Read more about Code42.
Syncthing - Syncthing replaces proprietary sync and cloud services with something open, trustworthy and...
Druva inSync - Your device may be lost, but your data isn’t with Druva inSync™ Integrated backup, eDiscovery and compliance monitoring.
arRsync - arRsync is a tool that is designed for macOS that is used for transferring and synchronizing files between a computer and a storage drive.
Carbonite - Unlimited online backup for one flat fee. Free trial, no credit card required.