Bitcoin fork control utility.

Multiple Crypto Hashing Algorithms

SHA3-256 MINER CORE

DE10 NANO SHA3-256 Proof of Work Miner

Very small, readable implementation of the SHA3 hash function. WebAssembly rebuild

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

KDB+ library for abi encoding ethereum functions

triops: a multiplatform command-line encryption tool using CHACHA + KECCAK

triops port to Android - Encrypt and decrypt files using CHACHA20+KECCAK

The ShionCoin (SHC) Virtual Currency. A linux/win64/arm64 C/C++ Scrypt/SHA256d/Keccak/X11/Blake2S/Qubit/Greostl/Skein based virtual currency with extended transactions (certificates, SEXE programs, etc).

SHA-3 and Keccak checksum utility

Small C/C++ Bits

[Feature complete] SHA-3 and Keccak checksum utility

[Feature complete] Keccak-based userspace pseudorandom number generator

[Feature complete] A simple command that generates a key from a file and a passphrase

[Basically feature complete] Keccak-family hashing library

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

High-performance Keccak-256 hashing for PHP (14-16× faster than pure PHP). C extension for Ethereum address derivation, transaction hashing, and blockchain applications. Production-ready, MIT licensed.

Web3C Library – a modular C library providing low-level, offline-friendly primitives for Ethereum/Web3: ABI encoding, transaction tools, and security-oriented helpers.