Clonezilla
Open Source
Clonezilla is a free software disaster recovery, disk cloning and deployment solution.
Carbon Copy Cloner
Commercial
Carbon Copy Cloner makes drive backup straightforward and accessible, even if you're uncomfortable with performing this process.
Acronis True Image
Commercial
Acronis True Image is a software product produced by Acronis that provides data protection including, backup, archive, access and recovery.
SuperDuper!
Freemium
SuperDuper lets you quickly back up your files or your entire hard drive, with multiple options for compression and storage location.
Compare XXClone with alternatives
Compare Acronis True Image and XXClone and decide which is most suitable for you.
Compare Carbon Copy Cloner and XXClone and decide which is most suitable for you.
Compare SuperDuper! and XXClone and decide which is most suitable for you.