Backblaze - Backblaze's remote backup automatically backs up your data to our secure datacenter.
Titanium Backup - Titanium Backup is a very old backup app that has been around since the early days of Android. In fact, it's one of the few apps that covers all versions from 1. Read more about Titanium Backup.
SpiderOak - SpiderOak makes it possible for you to privately store, sync, share & access your data from everywhere.
oandbackup - Make backups of selected apps on your device and restore from those backups.
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.
SyncDroid - SyncDroid is basically and iOS and Android smartphone manager that lets the users of both smartphones to transfer their mobile content from one smartphone to another within few simple steps.