the Ruby programming language, unofficial mirror (see the wiki for details)

Ruby interface for the zlib compression/decompression library

A libyaml wrapper for Ruby

Ruby on Rails

A subclass of Object includes Comparable module for handling dates.

Simple evented I/O for Ruby.

Modern concurrency tools including agents, futures, promises, thread pools, supervisors, and more. Inspired by Erlang, Clojure, Scala, Go, Java, JavaScript, and classic concurrency patterns.

Debugging in Ruby 2

a sampling call-stack profiler for ruby 2.2+

A thread-aware DNS resolver library written in Ruby

Pathname represents the name of a file or directory on the filesystem, but not the file itself.

JRuby, an implementation of Ruby on the JVM

A high performance implementation of the Ruby programming language, built on GraalVM.

Emacs Markdown Mode

JSON implementation for Ruby

Timeout provides a way to auto-terminate a potentially long-running operation if it hasn't finished in a fixed amount of time.

CGI is a large class, providing several categories of methods, many of which are mixed in from other modules.

Additional test assertions for Ruby standard libraries

Prism Ruby parser

Provides lexical scanning operations on a String.

the feature for waiting until IO is readable or writable without blocking.

Library packaging and distribution for Ruby.

Provides a PrettyPrinter for Ruby objects

OpenURI is an easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP.

An easy to use but powerful templating system for Ruby

Provides a framework for message digest libraries.

Pseudo `IO` class from/to `String`.

Net::HTTP provides a rich library which can be used to build HTTP user-agents.

A class to manipulate an IP address