MailStore - MailStore Home - A 100% free single-private-user desktop solution
SOLIXCloud ECS - SOLIXCloud ECS is a cloud-based CMS platform that is designed for organizations in order to store, organize, and securely govern data.
MailSteward - MailSteward : The Ultimate E-mail Manager for Mac OS X
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.
Gmvault - Backup the emails in your Gmail account.
Cincom ECM - Cincom ECM Suite provides a single solution for managing content across the enterprise, from document and image management to records and eDiscovery.