imapsync - Console-based utility for migrating IMAP mailboxes.
MigrateEmails IMAP Backup Tool - MigrateEmails IMAP Backup Tool is an efficient tool to easily backup IMAP emails to PST, MBOX, Gmail, G Suite, etc
OfflineIMAP - OfflineImap synchronizes email between an IMAP server and a MailDir or between two IMAP servers.
MailsDaddy IMAP Backup Tool - All in one solution to take backup for all e-mail clients.
iSync - iSync is a software application published by Apple Inc.
Softaken IMAP Mail Backup - Export IMAP Server emails to local PC smartly – Softaken IMAP Mail Backup