Disk Drill by Cleverfiles - Recover any type of deleted files in Windows & Mac including Office documents, messages, and media files quickly and easily.
MailStore - MailStore Home - A 100% free single-private-user desktop solution
EaseUS Data Recovery Wizard - Advanced data recovery software to do format recovery, unformat and recover deleted files emptied...
MailSteward - MailSteward : The Ultimate E-mail Manager for Mac OS X
Recuva - Accidentally deleted an important file? Lost files after a computer crash?
Gmvault - Backup the emails in your Gmail account.