Implements an RDF.rb repository for Apache Jena running on JRuby.

== Ruby Data Objects If you're building something in Ruby that needs access to a database, you may opt to use an ORM like ActiveRecord, DataMapper or Sequel. But if your needs don't fit well with an ORM—maybe you're even writing an ORM—then you'll need some other way of talking to your database....

Provides access to MySQL using the RDO interface

Provides access to PostgreSQL using the RDO interface

Provides access to SQLite3 using the RDO interface

RDwarf is a module to read DWARF debugging information. This module includes libdwarf distributed at http://www.prevanders.net/dwarf.html.

Recurator is object for recursive processing like Enumeator.

Red Arrow GSL adds `Arrow::*Array#to_gsl`/`Arrow::Tensor#to_gsl` for Apache Arrow to GSL conversion. Red Arrow GSL adds `GSL::Vector#to_arrow`/`GSL::Vector::Int#to_arrow`/`GSL::Matrix::*#to_arrow` for GSL to Apache Arrow conversion.

Red Arrow NMatrix adds `Arrow::Tensor#to_nmatrix` for Apache Arrow to NMatrix conversion. Red Arrow NMatrix adds `NMatrix#to_arrow` for NMatrix to Apache Arrow conversion.

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.

RGeo is a geospatial data library for Ruby. It provides an implementation of the Open Geospatial Consortium's Simple Features Specification, used by most standard spatial/geographic data storage systems such as PostGIS. A number of add-on modules are also available to help with writing location-b...