Backblaze - Backblaze's remote backup automatically backs up your data to our secure datacenter.
Sync.com - Sync. com offers a backup tool and a file sharing service, rolled into one.
SpiderOak - SpiderOak makes it possible for you to privately store, sync, share & access your data from everywhere.
Zoho WorkDrive - File storage & content collaboration tool for modern teams
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.
kDrive - The most privacy-friendly online storage and file sync service. From 2 TB, hosted in Switzerland.