imapsync - Console-based utility for migrating IMAP mailboxes.
Egnyte - Enterprise File Sharing
MailStore - MailStore Home - A 100% free single-private-user desktop solution
ManageEngine ADAudit - ManageEngine ADAudit is a real-time windows active directory auditing tool.
Fetchmail - The Fetchmail Project
StealthAUDIT Management Platform - STEALTHbits Technologies is a leader in the Microsoft Infrastructure and Application Management space, with solutions for Data Access Governance, Identity Access Management, Active Directory, and more.