Let's Encrypt Alternatives

OpenSSL is a free and open source software cryptography library that implements both the Secure Sockets Layer (SSL) and the Transport Layer Security (TLS) protocols, which are primarily used to provide secure communications between web browsers and …

AWS Certificate Manager from Amazon Web Services (AWS)

Ensighten provides enterprise tag management solutions that enable businesses manage their websites more effectively.

Encryption & Authentication

Automatically enable HTTPS on your website with EFF's Certbot, deploying Let's Encrypt certificates.

Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.

The Spring portfolio has many projects, including Spring Framework, Spring IO Platform, Spring Cloud, Spring Boot, Spring Data, Spring Security...

The SSL Store™ offers 70% Off On GeoTrust SSL Certificates, including Free Site Seal. Buy GeoTrust CA SSL and get 256 bit encryption web security now.

BitLocker is a full disk encryption feature included with Windows Vista and later.

FREE SSL certificates issued instantly online with Free SSL Certificate Wizard.

FileVault is a method of using encryption with volumes on Mac computers.

VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.

SSL.com is one of the most trusted certificate authorities that expands boundaries of encryption and data authentication relied upon by many worldwide users.