secp256k1
This module provides native bindings to ecdsa secp256k1 functions
@toruslabs/eccrypto
JavaScript Elliptic curve cryptography library, includes fix to browser.js so that encrypt/decrypt works
eccrypto
JavaScript Elliptic curve cryptography library
js-crypto-ec
Universal Module for Elliptic Curve Cryptography (ECDSA and ECDH) in JavaScript