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.

CounterMail - Countermail is a web-based email service. It is hosted in Sweden. Its focus is on privacy.

Gmvault - Backup the emails in your Gmail account.

Webmail.ca.za - Free email, file storage, sms and more.

imapsync - Console-based utility for migrating IMAP mailboxes.

eclipso Mail Europe - Privacy first. Your Email. Your Cloud. Your Office. Simplify your life with eclipso, the safe & central place to organize and share your emails, photos, files, contacts, calendar events and more.