GoodSync - GoodSync provides highly reliable file backup and synchronization for both individuals and businesses.
Backblaze - Backblaze's remote backup automatically backs up your data to our secure datacenter.
rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.
CrashPlan - CrashPlan for Small Business backup software offers the best way to back up and store business & enterprise data securely - offsite, onsite & online in the Cloud.
Syncthing - Syncthing replaces proprietary sync and cloud services with something open, trustworthy and...
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.