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Outdated way of generating signed IPAs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 permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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.