John the Ripper jumbo - advanced offline password cracker, which supports hundreds of hash and cipher types, and runs on many operating systems, CPUs, GPUs, and even some FPGAs

Extremely fast non-cryptographic hash algorithm

A small PHP library to generate YouTube-like ids from numbers. Use it when you don't want to expose your database ids to the user.

A small JavaScript library to generate YouTube-like ids from numbers.

Commonly used data structures for Swift

Loki - Simple IOC and YARA Scanner

Hash collisions and exploitations

📝 File hashing and checking shell extension

YARA signature and IOC database for my scanners and tools

A family of header-only, very fast and memory-friendly hashmap and btree containers.

A JavaScript/TypeScript implementation of the complete Secure Hash Standard (SHA) family (SHA-1, SHA-224/256/384/512, SHA3-224/256/384/512, SHAKE128/256, cSHAKE128/256, and KMAC128/256) with HMAC.

🌄 Perceptual image hashing for PHP

DeepDiff: Deep Difference and search of any Python object/data. DeepHash: Hash of any object based on its contents. Delta: Use deltas to reconstruct objects by adding deltas together.

Official version of the Meow hash, an extremely fast level 1 hash

Collection of cryptographic hash functions written in pure Rust

Crack hashes in seconds.

Advanced library for randomization, hashing and statistical analysis (devoted to chaos machines). 🔬

Static asset revisioning by appending content hash to filenames: `unicorn.css` → `unicorn-d41d8cd98f.css`

Fast & memory efficient hashtable based on robin hood hashing for C++11/14/17/20

🔗 Don't know what type of hash it is? Name That Hash will name that hash type! 🤖 Identify MD5, SHA256 and 300+ other hashes ☄ Comes with a neat web app 🔥