NAS Backup & Recovery

CloudStack Native Backup & Recovery is built into the CloudStack core platform. From version 4.20 onward, it includes the KVM with NAS B&R Plugin, which allows administrators to perform native, agentless full and incremental backups of KVM instances using a shared NAS (e.g., NFS) backend.
BackRoll

A modern, open-source backup and disaster recovery solution designed specifically for virtualized environments.
Dell NetWorker

Dell NetWorker is a comprehensive enterprise data protection software developed by Dell Technologies.
Acronis

Acronis provides award-winning backup software & data protection solutions for consumers, businesses & MSPs. Protect your sensitive information!
Veeam Backup & Replication

Veeam can be integrated with Apache CloudStack to provide robust data protection and disaster recovery capabilities for CloudStack deployments