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.

PyCharm - Python & Django IDE with intelligent code completion, on-the-fly error checking, quick-fixes, and much more...

Gmvault - Backup the emails in your Gmail account.

Spyder - The Scientific Python Development Environment

imapsync - Console-based utility for migrating IMAP mailboxes.

Thonny - Python IDE for beginners