Red Arrow PyCall adds `#to_python` method to most Ruby objects for Apache Arrow such as `Arrow::Array`. Red Arrow PyCall adds `to_ruby` method to most Python objects for Apache Arrow such as `pyarrow.lib.Int8Array`.

A 2D game engine.

A fast, safe and extensible Markdown to (X)HTML parser, with YouTube embedding, based on Redcarpet

This project implements a simple least-squares polynomial fit

Simple ttf2eot convertor

Generates date & time events from recurrence rules to support various calendar and scheduling use cases, with an emphasis on speed; the core of the Reprise gem is implemented as a Rust extension to enable its use for performance-sensitive workloads.

RequestGlobal provides global storage per request for Rails

There is tool for extracting vector graphic resources to Android and iOS app

ASN.1 and standard encoding rules as an IDL

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.

Ruby's Graph Library

IN ACTIVE DEVELOPMENT. High-performance Ruby game framework strongly influenced by the RPG Maker series by Enterbrain. The library contains multiple levels of abstraction, leveraging the power of modern OpenGL (C bindings built-in) and shaders, but building upon these low...

Ruby Intelligent System

Ruby Intelligent System Tools

gem using RapidJSON as a backend to provide fast validation for JSON schemas

This is a learning experience. even gurus need help.

Interface to some features of iptables using libtipc

RMagick is an interface between Ruby and ImageMagick. Fix for windows.

A ruby ffi wrapper for ModSecurity that also provides a Rack middleware

rookout is the Ruby SDK for the Rookout Debugging Platform