docNCRYPT - docNCRYPT is a cybersecurity platform which only focuses on its core services in protecting your email directly from the different email service provider and allows you to integrate your business email portal in the online service.
Chatlink.com - Anonymous communication platform
Websense Email Security - Websense Email Security is a powerful email protection tool that helps you strengthen the security of your network.
GPG Suite - Use GPG Suite to encrypt, decrypt, sign and verify files or messages.
Cisco Email Security - Cisco Email Security protects against ransomware, business email compromise, spoofing, and phishing.
Autocrypt - Convenient End-to-End Encryption for E-Mail