ProtonMail - Secure email with absolutely no compromises. Get your free encrypted email account today.
Cryptzone - Cryptzone is a cyber-security platform which gives different solution for a potential client to integrate their business with this web-based service and save their business transaction from malware attacks, internal and external threats, it gives a …
Enigmail - Security extension to Mozilla Thunderbird and SeaMonkey
Protected Trust - Protected Trust works to enable businesses to experience high productivity and security with Microsoft 365 and Surface.
Mailvelope - Mailvelope open source project. OpenPGP in your browser.
LuxSci - LuxSci providing HIPAA-compliant email, secure email & web services.