MailStore - MailStore Home - A 100% free single-private-user desktop solution
Arcserve UDP - Arcserve UDP is data backup & recovery software that deals with unified data protection solutions, making you protect your computer system by creating data stores on the recovery point server.
MailSteward - MailSteward : The Ultimate E-mail Manager for Mac OS X
Comet Backup - Comet is advanced backup software for MSPs, IT Companies and Backup Providers.
Gmvault - Backup the emails in your Gmail account.
Clumio - Clumio is first-in-class cloud backup optimization and visualization engine that provides a chance to top leading business organizations or enterprises to protect, delete and restore their precious data in no time.