Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
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).
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
iTerm2 - A terminal emulator for macOS that does amazing things.