x509

certificates

+45

🛡️ A private certificate authority (X.509 & SSH) & ACME server for secure automated certificate management, so you can use TLS everywhere & SSO for SSH.

forge

+6

A native implementation of TLS in Javascript and tools to write crypto-based and network-heavy webapps

botan

+4

Cryptography Toolkit

certspotter

+4

Lightweight Certificate Transparency Log Monitor

smallstep/cli

+3

🧰 A zero trust swiss army knife for working with X509, OAuth, JWT, OATH OTP, etc.

square/certigo

+3

A utility to examine and validate certificates in a variety of formats

phpseclib

+2

PHP Secure Communications Library