This gem uses native C extensions to interpret Brainfuck programs. An optimizing compiler written in Ruby sits on top of the interpreter which speeds up the computation quite a bit.

Ruby YARV instructions are too "internal" and hard to access from outside. This gem was born aiming to provide a friendly way to access YARV instructions for Ruby developers

Ruby C extension wrapping the yescrypt password hashing algorithm. yescrypt is the default password hash in modern Linux distributions (glibc 2.36+). It extends scrypt with pwxform for stronger time-memory tradeoff resistance. Supports YESCRYPT_WORM (scrypt-compatible), YESCRYPT_RW, and YESCRYPT_...

FFI-based wrapper of the cross-platform Yoga layout library

yoshioka gem to greet someone with C

Textile parser for Ruby.

Yubikey integration - Includes Prototypes for low-level Yubikey OTP functions witten by Simon Josefsson <simon@josefsson.org>. Copyright (c) 2006, 2007, 2008, 2009 Yubico AB All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitt...

Z80-Ruby is a Ruby binding for the Zilog Z80 CPU emulator (https://github.com/redcode/Z80). It is ideal for analysis, hacking, testing and debugging. All from the comfort of Ruby.

Use steganography to hide and encrypt data inside JPG, PNG, and BMP files.

Ruby wrapper for Facebook Zstandard library

A Zlib drop-in replacement implementing Zstandard compression algorithm

A drop-in replacement for Ruby's CSV stdlib that uses zsv (SIMD-accelerated C library) for 5-6x faster CSV parsing

Ruby gem wrapping the zvec C++ vector database (https://github.com/alibaba/zvec) using Rice. Provides Collection, Doc, Schema, and VectorQuery classes for high-performance vector similarity search, plus integrations for ruby_llm and ActiveRecord.

Ruby binding for @drewcsillag twofish implementation

A ZRE library for Ruby. This is a Ruby (MRI) binding for the Zyre library for reliable group messaging over local area networks, an implementation of the ZeroMQ Realtime Exchange protocol.