jsrsasign
opensource free pure JavaScript cryptographic library supports RSA/RSAPSS/ECDSA/DSA signing/validation, ASN.1, PKCS#1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp and CAdES and JSON Web Signature(JWS)/Token(JWT)/Key(JWK)
@root/acme
Free SSL certificates for Node.js and Browsers. Issued via Let's Encrypt
acme
Free SSL certificates for Node.js and Browsers. Issued via Let's Encrypt
@root/csr
Lightweight, Zero-Dependency CSR (Certificate Signing Request) generator and parser for Node.js and Browsers