Lightning fast hash functions using hand-tuned WebAssembly binaries

Audited & minimal JS implementation of hash functions, MACs and KDFs.

Audited pure JS library containing all Ethereum-related cryptographic primitives

Portable C++ hashing library

constexpr implementation of SHA-2 and SHA-3 family of hashes

a protocol to encrypt communications and a cryptographic library based on Disco

An implementation of Keccak derived functions specified in FIPS-202, SP800-185 and KangarooTwelve

[Feature complete] SHA-3 and Keccak checksum utility

SHA3 for JavaScript - The Keccak family of hash algorithms

Pure PHP implementation of Keccak (SHA-3)

Implementation of KangarooTwelve in Go

A tiny C cryptographic library to encrypt sessions, authenticate messages, sign, hash, etc. based only on SHA-3 and Curve25519

A wrapper for the keccak library to compute 256 bit keccak hash in JavaScript.

The CEX Cryptographic library in C++

CRYPTOGAMS distribution repository

[Basically feature complete] Keccak-family hashing library

Different hash functions in Kotlin (SHA3 with Keccak and Shake variants, sha256, ripemd160)

HashLibPlus is a recommended C++11 hashing library that provides a fluent interface for computing hashes and checksums of strings, files, streams, bytearrays and untyped data to mention but a few.

hashgen - the blazingly fast hash generator

SHA3 for Ruby: SHA-3 (FIPS 202), SHAKE128/SHAKE256, cSHAKE128/cSHAKE256, and KMAC (NIST SP 800-185), powered by XKCP