Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
MailStore - MailStore Home - A 100% free single-private-user desktop solution
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).
Got Your Back - Got Your Back (GYB) is a command line tool that backs up and restores your Gmail account.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
SysTools Gmail Backup - Backup Gmail Emails, Contacts, Calendar, and Google Drive Storage File by SysTools Gmail Backup Solution