Sharegate - Sharegate simplifies the migration and management of SharePoint, Office 365, and OneDrive for...
imapsync - Console-based utility for migrating IMAP mailboxes.
Micro Focus Content Manager - Micro Focus Content Manager is an easy-to-use document and records management system that helps capture, manage, and secure business information, whether it’s digital or physical data.
MailStore - MailStore Home - A 100% free single-private-user desktop solution
Saketa Sharepoint Migration Tool - Saketa SharePoint Migrator is a hub of exciting, interesting and advanced features. One of the best applications for SharePoint migration, you can migrate data from all versions of SharePoint, O365 and, the Cloud.
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.