MailStore - MailStore Home - A 100% free single-private-user desktop solution
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Hornetsecurity Email Archiving - Hornetsecurity Email Archiving is one of the advanced software that offers long-term, unchangeable, and secure storage of important company information, data, and flies.
Symantec Data Loss Prevention - Fully protect your data with the comprehensive detection technologies and unified policies of Symantec's industry leading Data Loss Prevention (DLP).
Intradyn Email Archiver - Orca Email Archiver provides email archiving solution for local government and business.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.