Cryoserver - Cryoserver is an all-in-one email archiving solution that empowers you to preserve your email in a tamper-evident archive, making you transform your data into a useful archive for everyday use.
Acronis Cyber Protect Home Office - (Formerly Acronis True Image) Complete protection for your digital life
Gmvault - Backup the emails in your Gmail account.
Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
imapsync - Console-based utility for migrating IMAP mailboxes.
Easeus Disk Copy - EaseUS is a suite of data recovery and protection software designed to bring back files that have been lost, destroyed or accidentally deleted and protect existing files from suffering the same fate.