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)
@veramo/kms-local
Veramo KMS implementation that provides Ed25519 and secp256k1 crypto
node-webtokens
Simple, opinionated implementation of JWS and JWE compact serialization
jws-jwk
Adds (some) support for JWKs to node-jws