tweetnacl
Port of TweetNaCl cryptographic library to JavaScript
eciesjs
Elliptic Curve Integrated Encryption Scheme for secp256k1/curve25519
libsodium
The Sodium cryptographic library compiled to pure JavaScript (raw library, no wrappers)
@noble/ed25519
Fastest 4KB JS implementation of ed25519 EDDSA signatures compliant with RFC8032, FIPS 186-5 & ZIP215