The Ruby Programming Language

did_you_mean

The gem that has been saving people from typos since 2014

TryRuby

This 4th iteration of TryRuby is a website where you can learn the Ruby language.

power_assert

Power Assert for Ruby

benchmark

The Benchmark module provides methods for benchmarking Ruby code, giving detailed reports on the time taken for each task.

timeout

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

bigdecimal

Arbitrary-precision decimal floating-point number library for Ruby

net-http

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

fileutils

Several file utility methods for copying, moving, removing, etc.

net-telnet

Provides telnet client functionality.

optparse

OptionParser is a class for command-line option analysis.

securerandom

Interface for secure random number generator

forwardable

Provides delegation of specified methods to a designated object

cgi

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

English

sdbm

Provides a simple file-based key-value store with String keys and values.

play-ruby

Ruby Playground Website

base64

Support for encoding and decoding binary data using a Base64 representation

git.ruby-lang.org

Manifest for the Ruby git server

mutex_m

Mixin to extend objects to be handled like a Mutex

dbm

Provides a wrapper for the UNIX-style Database Manager Library

shellwords

Manipulates strings with word parsing rules of UNIX Bourne shell

abbrev

Calculates a set of unique abbreviations for a given set of strings

find

This module supports top-down traversal of a set of file paths

prettyprint

This class implements a pretty printing algorithm.

readline-ext

The Readline module provides interface for GNU Readline.

action-slack

Notify slack from GitHub Actions

ruby-infra-recipe

Manifest for rubyci, gem-codesearch and etc

rurema-search

A Web search interface for Ruby reference manual in Japanese

cache.r-l.o

Small rack app for directory index of cache.r-l.o

yamatanooroti