imapsync - Console-based utility for migrating IMAP mailboxes.
SOLIXCloud ECS - SOLIXCloud ECS is a cloud-based CMS platform that is designed for organizations in order to store, organize, and securely govern data.
MailStore - MailStore Home - A 100% free single-private-user desktop solution
Objective ECM - Objective ECM is a secure and reliable Enterprise Content Management software that empowers users to manage their content and build powerful business processes.
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.
Cincom ECM - Cincom ECM Suite provides a single solution for managing content across the enterprise, from document and image management to records and eDiscovery.