js-ecdsa
ecdsa for the browser using the webcrypto api
js-ecutils
JavaScript Library for Elliptic Curve Cryptography: key exchanges (Diffie-Hellman, Massey-Omura), ECDSA signatures, and Koblitz encoding. Suitable for crypto education and secure systems.
jquery-ecdsa
ecdsa jquery plugin for the browser using the webcrypto api