Mailvelope - Mailvelope open source project. OpenPGP in your browser.
Virtru - Virtru is your data privacy force field, wrapping and protecting emails and files wherever they're shared. Easy-to-use data security software for business. People also askIs Virtru Hipaa compliant?
modusCloud Email Security - modusCloud is a complete cloud email security solution that delivers Protection from Spam...
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Bazzacuda - Barracuda Networks is the worldwide leader in Security, Application Delivery and Data Protection Solutions.
Proofpoint Email Encryption - As email is the preferred medium for business communications, preventing confidential information from being leaked in outbound email messages must be a top priority in order to lower the risk of a data breach.