This gem adds the `writev` method to IO. It provides access to the `writev` system call on your IO objects.

Ruby bindings for Wry........

Outdated way of generating signed IPAs

xbad - shared memory key/value cache using shared memory and udp broadcasts for distribution

Xcellus leverages a native extension to create XLSX files. It is an 'ugly' generator because it lacks all styling mechanisms to make your XLSX pretty.

Envoy x-forwarded-client-cert (XFCC) parser written in Rust for Ruby

Provides a means of interacting with xhyve from ruby

Ruby interface to libxlsxwriter

This gem helps to convert xml strings to json and vise versa

XND is a library for typed data arrays in Ruby. It is a wrapper over the libxnd C library.

A gem to control the world!

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

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.

A fast and very smart autolinking library that acts as a drop-in replacement for Rails `auto_link` This is now a significant departure from the base gem.

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