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?
Pignus Encryption - Pignus Encryption is an encryption platform that allows users to encrypt their messages and documents.
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Toolsley PGPigeon - Simple but powerful OpenPGP-compatible message encryption webapp.
Encyro - Use Encyro to send sensitive messages and files to your customers and service providers, including accountants, loan officers, health coaches, and others. Stay organized and forward documents from your mobile device.
Lockbin - Lockbin is a web application for sending private email messages and files.