imapsync - Console-based utility for migrating IMAP mailboxes.

Amic E-Mail Backup - Amic Email Backup is a handy software tool for Microsoft Windows based PCs designed to create backup copies of your email database and Web browser Favorites.

Gmvault - Backup the emails in your Gmail account.

KLS Mail Backup - KLS Mail Backup is an easy to use backup program that allows you to back up and restore your...

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.

Disroot - Disroot is a platform providing online services based on principles of freedom, privacy, federation and decentralization.