Clonezilla, Macrium Reflect, Time Machine, Acronis Cyber Protect Home Office, EaseUS Partition Master, Carbon Copy Cloner, Systemback, FOG Project, SuperDuper!, Winclone, EaseUS Disk Copy, dd for windows, Stellar Drive Clone, FarStone RestoreIT, EZ Gig, Seagate DiskWizard, XXClone, Acronis Snap Deploy, Time Machine for Linux, Duplicacy, rdiff-backup, Drive SnapShot, SnapRunner, Comodo Time Machine, ImageX, Cronopete, HDClone Free Edition, Drive Cloner Rx, Acronis Migrate Easy, Siveo Pulse, Nytrio, Drive Backup Express, Eazy Image are some alternatives to HDclone.