Rrtrace is a profiling tool that captures Ruby method calls and visualizes them using a high-performance Rust renderer.

RS-232 cross-platform implementation as Ruby C native extension.

rsonal is a simple and efficient JSON writer for Ruby. It is designed to allow passing of a ruby object to it's only function, 'json_write' which will return specification conforming JSON with as much speed as possible.

Pack your Ruby code for distribution

A Ruby emulator for the 6502. The 6502 is powered by http://rubbermallet.org/fake6502.c

Provides a C level extension to Ruby, Array#find_consecutive

Ruby bindings for brotli library.

Ruby bindings for bzip2 library.

Embed and verify C2PA content provenance and authenticity credentials in images, video, and audio files. Ruby bindings for the official Rust c2pa-rs library.

Ruby bindings for calc, an arbitrary precision maths library. ruby-calc provides access to a the large number of mathematical functions that come with calc.

ChaCha20 stream cipher algorithm.

Ruby binding for Microsoft Cognitive Toolkit (CNTK), an open source deep-learning toolkit

Double Array Implementation

RubyDSP is a small gem for rudimentary audio processing, DSP, and synthesis. It aims to have basically zero dependencies (AND WARRANTIES)! See Documentation for more.

Ruby bindings for Eigen, a C++ template library for linear algebra. Implemented using SWIG.

Ruby extension for the epeg library which provides facilities for scaling JPEG images very quickly.

Extended backtrace for ruby

Ruby bindings for the fastpbkdf2 C library, providing 10-50x performance improvements over Ruby's built-in PBKDF2 implementation.

FIT files are binary, and as a result, are a pain to parse. This is a wrapper around the FIT SDK, which makes creating a stream based parser simple.

Nokogiri (鋸) is an HTML, XML, SAX, and Reader parser. Among Nokogiri's many features is the ability to search documents via XPath or CSS3 selectors. XML is like violence - if it doesn’t solve your problems, you are not using enough of it.