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MailStore - MailStore Home - A 100% free single-private-user desktop solution
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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.
BeakerX - Open Source Polyglot Data Science Tool
Intradyn Email Archiver - Orca Email Archiver provides email archiving solution for local government and business.