tweetnacl
Port of TweetNaCl cryptographic library to JavaScript
jose
JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes
@noble/curves
Audited & minimal JS implementation of elliptic curve cryptography
libsodium
The Sodium cryptographic library compiled to pure JavaScript (raw library, no wrappers)