jsonwebtoken
JSON Web Token implementation (symmetric and asymmetric)
jose
JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes
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)
openid-client
OAuth 2 / OpenID Connect Client API for JavaScript Runtimes
jwt-decode
Decode JWT tokens, mostly useful for browser applications.