Virtru - Virtru is your data privacy force field, wrapping and protecting emails and files wherever they're shared. Easy-to-use data security software for business. People also askIs Virtru Hipaa compliant?

imapsync - Console-based utility for migrating IMAP mailboxes.

Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.

audriga Email and Groupware migration - Easily migrate your email, contacts, calendar items and tasks to your new provider or server. No software installation is required.

Encyro - Use Encyro to send sensitive messages and files to your customers and service providers, including accountants, loan officers, health coaches, and others. Stay organized and forward documents from your mobile device.

MailStore - MailStore Home - A 100% free single-private-user desktop solution