abbrev

abstract

Library which enable you to define abstract method in Ruby.

acme-client

actioncable

actionmailbox

actionmailer

Framework for designing email-service layers

actionpack

Eases web-request routing, handling, and response.

actionpack-action_caching

actionpack-xml_parser

actiontext

actionview

activejob

activeldap

activemodel

activemodel-serializers-xml

activerecord

Implements the ActiveRecord pattern (Fowler, PoEAA) for ORM

activestorage

activesupport

Utility Classes and Extension to the Standard Library

acts_as_list

Capabilities for sorting and reordering a number of objects in a list.

addressable

A replacement for the URI implementation that is part of Ruby's standard library.

ae

afm

airbrussh

amatch

A template library for ruby like amrita

ammeter

amq-client

amq-protocol

ansi

appraisal

arel-helpers

ascii85

Methods for encoding/decoding Adobe's binary-to-text encoding of the same name.

asciidoctor

asciidoctor-diagram

asciimath

ast

async

async-container

async-io

async-process

async-rspec

atomic

autoprefixer-rails

aws-eventstream

aws-partitions

aws-sigv4

axiom-types

backports

bacon

Small RSpec clone weighing less than 350 LoC

barby

base32

base64

bcrypt-ruby

bcrypt_pbkdf

benchmark-ips

bigdecimal

bindata

bindex

binding_of_caller

blankslate

blinkstick

bogus

brass

brotli

bsearch

bson

buftok

builder

A builder to facilitate programatic generation of XML markup

bundler

An easy way to vendor gem dependencies

bundler-audit

bunny

capistrano

A distributed application deployment system

capybara

certificate_authority

cgi

charlock_holmes

chef-utils

childlabor

childprocess

chronic

A pure Ruby natural language date parser.

chunky_png

climate_control

cliver

cmdparse

Advanced command line parser supporting commands

coderay

A Ruby library for syntax highlighting.

coercible

coffee-rails

coffee-script

coffee-script-source

color

Colour management with Ruby

colorator

colored

colored2

colorize

columnize

Sorts an array in column order.

combustion

commander

commonmarker

concurrent-ruby

connection_pool

console

contracts

coolio

countdownlatch

crack

crass

creole

cri

css_parser

csv

curb

Ruby-language bindings for libcurl

curses

daemons

Wrap existing ruby scripts to be run as a daemon

dalli

database_cleaner

A set of strategies for cleaning your database in Ruby.

database_cleaner-active_record

database_cleaner-core

date

date_validator

dbf

ddmetrics

ddplugin

debug

debug_inspector

deckar01-task_list

deep_merge

delayer

delayer-deferred

dependor

descendants_tracker

did_you_mean

diff-lcs

Use the McIlroy-Hunt LCS algorithm to compute differences

digest

diva

dnsruby

A pure Ruby DNS client library

docile

docker-api

domain_name

drb

dry-core

dry-inflector

dry-logic

dry-monads

dry-struct

dry-types

duktape-rb

dust

Descriptive block syntax definition for Test::Unit.

ecma-re-validator

ed25519

elastic-transport

elasticsearch

elasticsearch-api

elasticsearch-transport

em-websocket

equalizer

equatable

erubi

erubis

Erubis is an implementation of eRuby

ethon

evented-spec

eventmachine

Ruby/EventMachine is a fast, simple event-processing library for Ruby programs.

excon

execjs

exifr

A library to read EXIF info from JPEG and TIFF images.

facter

A cross-platform Ruby library for retrieving facts from operating systems

fakefs

A fake filesystem. Use it in your tests.

faker

fake_ftp

faraday

HTTP/REST API client library with pluggable components

faraday-follow_redirects

faraday-httpclient

faraday-multipart

faraday-net_http

faraday-net_http_persistent

faraday-patron

faraday-rack

faraday-retry

faraday_middleware

faraday_middleware-multi_json

fast-stemmer

fast_gettext

fattr

fattr.rb is a "fatter attr" for ruby.

fcgi

ffaker

ffi

Ruby extension for programmatically loading dynamic libraries

ffi-compiler

fiber-annotation

fiber-local

file-tail

filesize

fileutils

filigree

flexmock

Simple mock object library for Ruby unit testing

flog

Flog reports the most tortured code in an easy to read pain report.

font-awesome-rails

forgery

forwardable

forwardable-extended

fuubar

GeoRuby

gettext-setup

gettext_i18n_rails

gist

git

globalid

gnuplot

google-protobuf

googleapis-common-protos-types

gpgme

grpc

gruff

A ruby library for creating pretty graphs and charts

haml

HAML - a ruby web page templating engine

haml-rails

hashdiff

hashery

hashicorp-checkpoint

hashie

Hashie is a small collection of tools that make hashes more powerful.

hashr

heredoc_unindent

hiera

hiera-eyaml

hiera-eyaml-gpg

hiera-eyaml-plaintext

highline

histogram

hitimes

hocon

hoe

Hoe extends rake to provide full project automation.

html-pipeline

html2haml

htmlentities

A simple library for encoding/decoding entities in (X)HTML documents.

http

http-accept

http-cookie

http-form_data

http-parser

httparty

Makes http fun! Also, makes consuming restful web services dead easy.

httpauth

httpclient

http_parser_rb

i18n

ice_nine

idn-ruby

imagesize

image_processing

immutable-ruby

importmap-rails

instance_storage

introspection

io-console

io-event

io-wait

ipaddr

irb

itextomml

jbuilder

jmespath

jquery-rails

jquery-ui-rails

jsobfu

json

A JSON implementation as a Ruby extension.

json_schema

jwt

kissfft

kpeg

kramdown

kramdown-parser-gfm

kramdown-syntax-coderay

launchy

lemon

leto

letter_opener

levenshtein

libusb

liquid

liquid-c

listen

little-plugger

Module that provides Gem based plugin management

llhttp-ffi

locale

localhost

lockfile

nfs safe lockfile creation

log4r

Log4r is a comprehensive and flexible logging library written in Ruby for use in Ruby programs.

logger

loofah

loquacious

Descriptive configuration files for Ruby written in Ruby

lumberjack

mab

magic

mail

maildir

marcel

maruku

A Markdown-superset interpreter written in Ruby.

mash

Mash is an extended Hash that gives simple pseudo-object functionality.

matrix

maxitest

mecab-ruby

Ruby binding for MeCab

mechanize

A Ruby library used for automating interaction with websites.

memoist

memoizable

memo_wise

mercenary

metaclass

metasm

method_source

middleware

mime-types

mime-types-data

mimemagic

minispec-metadata

minitar

minitest

minitest/unit is a small and fast replacement for ruby's huge and slow test/unit.

minitest-around

minitest-bonus-assertions

minitest-global_expectations

minitest-hooks

minitest-power_assert

minitest-pretty_diff

mini_magick

Manipulate images with minimal use of memory.

mini_mime

mini_portile2

mixlib-config

mixlib-shellout

mkmf-lite

mocha

A Ruby library for mocking and stubbing using a syntax like that of JMock, and SchMock

moneta

mqtt

msgpack

multipart-parser

multipart-post

multi_json

multi_test

multi_xml

mustache

mustermann

mutex_m

mysql2

nanotest

narray

Numerical N-dimensional Array class

naught

necromancer

nenv

neovim-ruby-client

net-ftp

net-http-digest_auth

net-http-persistent

net-http-pipeline

net-imap

net-pop

net-protocol

net-scp

net-sftp

net-smtp

net-ssh

net-ssh-gateway

A simple library to assist in enabling tunneled Net::SSH connections

net-telnet

netrc

network_interface

niceogiri

nio4r

nokogiri

Nokogiri is an HTML, XML, SAX, and Reader parser.

nokogiri-diff

oauth

A RubyGem for implementing both OAuth clients and servers.

oauth2

Ruby wrapper for the OAuth 2.0 protocol built with a similar style to the original OAuth gem.

octokit

omniauth

open4

Open3::popen3 with exit status

openssl-ccm

openssl-cmac

optimist

optionable

org-ruby

ox

paint

pairing_heap

parallel

paramesan

parser

pastel

pathutil

path_expander

patron

pcaprub

pdf-core

pdf-inspector

A collection of PDF::Reader based analysis classes for inspecting PDF output

pdf-reader

PDF parser conforming as much as possible to the PDF specification from Adobe

permutation

pg

Ruby extension library providing an API to PostgreSQL

pg_array_parser

pkg-config

plist

A library to manipulate Property List files, also known as plists

pluggaloid

podcast

A pure Ruby library for generating podcasts from mp3 files

polyglot

power_assert

prawn

Fast, Nimble PDF Generation For Ruby

prawn-table

prime

propshaft

pry

psych

ptools

public_suffix

pundit

puppet-resource_api

puppetdb-termini

puppet_forge

pusher-client

qed

racc

A LALR(1) parser generator for Ruby

rack

A modular Ruby webserver interface

rack-attack

rack-cache

rack-openid

Provides a more HTTPish API around the ruby-openid library.

rack-protection

rack-session

rack-test

Rack::Test is a small, simple testing API for Rack apps.

rackup

radius

Powerful tag-based template system.

rails

ruby on rails is a web-application and persistance framework

rails-dom-testing

rails-html-sanitizer

railties

rainbow

rake

Make-like scripting in Ruby

rake-compiler

Provide a standard and simplified way to build and package Ruby extensions

rake-remote_task

rantly

rash_alt

rb-inotify

rb-readline

rbnacl

rbpdf

rbpdf-font

rbs

rbst

rbtree

rcairo

Ruby bindings for cairo

rchardet

rdiscount

rdoc

An extended version of the RDoc library from Ruby 1.8

rdtool

A multipurpose documentation format for Ruby

recog

red-colors

redcarpet

redcloth

A module for using Textile in Ruby

redis

ref

regexp_parser

regexp_property_values

reline

request_store

rest-client

A simple HTTP and REST client for Ruby.

rexical

Rexical is a lexical scanner generator

rexml

rgl

rinku

ritex

rjb

rkelly-remix

rmagick

An interface between Ruby and the ImageMagick(TM) image processing library

roadie

roadie-rails

robots

rotp

rouge

rqrcode

rqrcode_core

rr

A double framework that features a rich selection of double techniques and a terse syntax

rrdtool-bindings

rspec

A Behaviour Driven Development (BDD) framework for Ruby

rspec-block_is_expected

rspec-collection_matchers

rspec-core

rspec-expectations

rspec-files

rspec-its

rspec-json_expectations

rspec-memory

rspec-mocks

rspec-pending_for

rspec-rails

RSpec's official Ruby on Rails plugin

rspec-retry

rspec-stubbed_env

rspec-support

rspectacular

rss

ruby-atk

Ruby Atk bindings

ruby-augeas

Ruby bindings for Augeas

ruby-cairo-gobject

ruby-dict

RFC 2229 client in Ruby

ruby-feedparser

Ruby library for parsing RSS and Atom feeds

ruby-filemagic

Ruby binding to libmagic

ruby-gdk3

ruby-gdkpixbuf2

Ruby GdkPixbuf2 bindings

ruby-gettext

Ruby GetText Package is Native Language Support Library and Tools modeled after GNU gettext package

ruby-gio2

ruby-glib2

Ruby Glib2 bindings

ruby-gobject-introspection

ruby-gtk3

ruby-hmac

A common interface to HMAC functionality as documented in RFC2104.

ruby-ldap

A Ruby interface to some LDAP libraries

ruby-macho

ruby-mp3info

A pure Ruby library for access to mp3 files (internal infos and tags)

ruby-net-ldap

Pure ruby LDAP client implementation.

ruby-odbc

RubyODBC - For accessing ODBC data sources from the Ruby language

ruby-oembed

ruby-ole

ruby-opengl

OpenGL / GLUT bindings for ruby

ruby-openid

A robust library for verifying and serving OpenID identities

ruby-pango

Ruby Pango bindings

ruby-poppler

Ruby poppler-glib bindings

ruby-prof

A module for profiling Ruby code

ruby-progressbar

A Text Progress Bar Library for Ruby

ruby-rc4

ruby-romkan

A Romaji <-> Kana conversion library for Ruby

ruby-shadow

ruby shadow bindings

ruby-shout

A Ruby interface to libshout2

ruby-termios

A Ruby interface to termios

ruby-yadis

A ruby library for performing Yadis service discovery

ruby2ruby

Generates readable ruby from ParseTree

ruby2_keywords

rubygems

Centralized Ruby extension management system

rubyntlm

rubypants

A Ruby port of the SmartyPants PHP library.

rubytest

rubytest-cli

rubytter

Rubytter is a simple twitter library

rubyzip

A ruby library for reading and writing zip files

ruby_engine

ruby_parser

A ruby parser written in pure ruby.

ruby_smb

ruby_version

sanitize

sass

sass-rails

sassc

sassc-rails

sawyer

sdoc

securerandom

seed-fu

selenium-webdriver

semantic_puppet

sequel

serialport

serverengine

set

settingslogic

A simple configuration / settings solution that uses an ERB enabled YAML file.

sexp_processor

shoulda

Making tests easy on the fingers and eyes

shoulda-context

shoulda-matchers

sigdump

simple-rss

Simple RSS is a simple, flexible, extensible, and liberal RSS and Atom reader for Ruby.

simplecov

simplecov-html

simplecov_json_formatter

simpleidn

simple_oauth

sinatra

Sinatra is a DSL for quickly creating web applications in Ruby with minimal effort.

singleton

slim

slop

slow_enumerator_tools

snaky_hash

sorted_set

sourcemap

sparklines

Create sparklines, small graphs to be used inline in texts.

spreadsheet

spring

sprockets

sprockets-rails

spy

sqlite3

sshkey

sshkit

stamp

stomp

Ruby bindings for the stomp messaging protocol

stream

stringex

stringio

strptime

strscan

sus

sus-fixtures-async

sync

syntax

Syntax highlighting for sourcecode and HTML

sys-filesystem

sys-uname

syslogger

systemu

tdiff

temple

term-ansicolor

terminal-table

test-unit

Nathaniel Talbott's originial test-unit

test-unit-rr

test-unit-ruby-core

test_construct

test_declarative

text

text-hyphen

Hyphenates various words according to the rules of the language the word is written in.

thor

A scripting framework that replaces rake and sake

thread_order

thread_safe

tidy_table

Tool to convert an array of struct into an HTML table.

tilt

time

timecop

timeout

timers

tins

tokyocabinet

tomlrb

transaction-simple

Provides transaction support at the object level

treetop

Treetop is a language for describing languages.

ttfunk

Get Ya TrueType Funk On! (Font Metrics Parser for Prawn)

tty-color

tty-command

tty-cursor

tty-editor

tty-file

tty-platform

tty-prompt

tty-reader

tty-screen

tty-which

twitter

Ruby wrapper around the Twitter API

twitter-text

typed-array

typeprof

typhoeus

tzinfo

Daylight-savings aware timezone library

uconv

A module to convert ISO/IEC 10646 (Unicode) string and Japanese strings

uglifier

unf

unf_ext

unicode-display_width

unindent

uuidtools

UUIDTools was designed to be a simple library for generating any of the various types of UUIDs.

vagrant_cloud

vcard

vcr

version_gem

virtus

vlad

Pragmatic application deployment automation, without mercy.

warden

warning

web-console

webmock

Allows stubbing HTTP requests and setting expectations on HTTP requests

webrick

webrobots

websocket

websocket-driver

websocket-extensions

whole_history_rating

will_paginate

Most awesome pagination solution for Ruby

windows_error

wirble

Wirble is a set of enhancements for Irb.

wisper

x25519

xdr

xml-simple

xmlrpc

xpath

yajl-ruby

yard

Documentation generation tool for the Ruby programming language

zeitwerk

zentest

ZenTest provides tools to support testing: zentest, unit_diff, autotest, multiruby, and Test::Rails

abbrev

histogram

ref

abstract

hitimes

regexp_parser

acme-client

hocon

regexp_property_values

actioncable

hoe

reline

actionmailbox

html-pipeline

request_store

actionmailer

html2haml

rest-client

actionpack

htmlentities

rexical

actionpack-action_caching

http

rexml

actionpack-xml_parser

http-accept

rgl

actiontext

http-cookie

rinku

actionview

http-form_data

ritex

activejob

http-parser

rjb

activeldap

httparty

rkelly-remix

activemodel

httpauth

rmagick

activemodel-serializers-xml

httpclient

roadie

activerecord

http_parser_rb

roadie-rails

activestorage

i18n

robots

activesupport

ice_nine

rotp

acts_as_list

idn-ruby

rouge

addressable

imagesize

rqrcode

ae

image_processing

rqrcode_core

afm

immutable-ruby

rr

airbrussh

importmap-rails

rrdtool-bindings

amatch

instance_storage

rspec

ammeter

introspection

rspec-block_is_expected

amq-client

io-console

rspec-collection_matchers

amq-protocol

io-event

rspec-core

ansi

io-wait

rspec-expectations

appraisal

ipaddr

rspec-files

arel-helpers

irb

rspec-its

ascii85

itextomml

rspec-json_expectations

asciidoctor

jbuilder

rspec-memory

asciidoctor-diagram

jmespath

rspec-mocks

asciimath

jquery-rails

rspec-pending_for

ast

jquery-ui-rails

rspec-rails

async

jsobfu

rspec-retry

async-container

json

rspec-stubbed_env

async-io

json_schema

rspec-support

async-process

jwt

rspectacular

async-rspec

kissfft

rss

atomic

kpeg

ruby-atk

autoprefixer-rails

kramdown

ruby-augeas

aws-eventstream

kramdown-parser-gfm

ruby-cairo-gobject

aws-partitions

kramdown-syntax-coderay

ruby-dict

aws-sigv4

launchy

ruby-feedparser

axiom-types

lemon

ruby-filemagic

backports

leto

ruby-gdk3

bacon

letter_opener

ruby-gdkpixbuf2

barby

levenshtein

ruby-gettext

base32

libusb

ruby-gio2

base64

liquid

ruby-glib2

bcrypt-ruby

liquid-c

ruby-gobject-introspection

bcrypt_pbkdf

listen

ruby-gtk3

benchmark-ips

little-plugger

ruby-hmac

bigdecimal

llhttp-ffi

ruby-ldap

bindata

locale

ruby-macho

bindex

localhost

ruby-mp3info

binding_of_caller

lockfile

ruby-net-ldap

blankslate

log4r

ruby-odbc

blinkstick

logger

ruby-oembed

bogus

loofah

ruby-ole

brass

loquacious

ruby-opengl

brotli

lumberjack

ruby-openid

bsearch

mab

ruby-pango

bson

magic

ruby-poppler

buftok

mail

ruby-prof

builder

maildir

ruby-progressbar

bundler

marcel

ruby-rc4

bundler-audit

maruku

ruby-romkan

bunny

mash

ruby-shadow

capistrano

matrix

ruby-shout

capybara

maxitest

ruby-termios

certificate_authority

mecab-ruby

ruby-yadis

cgi

mechanize

ruby2ruby

charlock_holmes

memoist

ruby2_keywords

chef-utils

memoizable

rubygems

childlabor

memo_wise

rubyntlm

childprocess

mercenary

rubypants

chronic

metaclass

rubytest

chunky_png

metasm

rubytest-cli

climate_control

method_source

rubytter

cliver

middleware

rubyzip

cmdparse

mime-types

ruby_engine

coderay

mime-types-data

ruby_parser

coercible

mimemagic

ruby_smb

coffee-rails

minispec-metadata

ruby_version

coffee-script

minitar

sanitize

coffee-script-source

minitest

sass

color

minitest-around

sass-rails

colorator

minitest-bonus-assertions

sassc

colored

minitest-global_expectations

sassc-rails

colored2

minitest-hooks

sawyer

colorize

minitest-power_assert

sdoc

columnize

minitest-pretty_diff

securerandom

combustion

mini_magick

seed-fu

commander

mini_mime

selenium-webdriver

commonmarker

mini_portile2

semantic_puppet

concurrent-ruby

mixlib-config

sequel

connection_pool

mixlib-shellout

serialport

console

mkmf-lite

serverengine

contracts

mocha

set

coolio

moneta

settingslogic

countdownlatch

mqtt

sexp_processor

crack

msgpack

shoulda

crass

multipart-parser

shoulda-context

creole

multipart-post

shoulda-matchers

cri

multi_json

sigdump

css_parser

multi_test

simple-rss

csv

multi_xml

simplecov

curb

mustache

simplecov-html

curses

mustermann

simplecov_json_formatter

daemons

mutex_m

simpleidn

dalli

mysql2

simple_oauth

database_cleaner

nanotest

sinatra

database_cleaner-active_record

narray

singleton

database_cleaner-core

naught

slim

date

necromancer

slop

date_validator

nenv

slow_enumerator_tools

dbf

neovim-ruby-client

snaky_hash

ddmetrics

net-ftp

sorted_set

ddplugin

net-http-digest_auth

sourcemap

debug

net-http-persistent

sparklines

debug_inspector

net-http-pipeline

spreadsheet

deckar01-task_list

net-imap

spring

deep_merge

net-pop

sprockets

delayer

net-protocol

sprockets-rails

delayer-deferred

net-scp

spy

dependor

net-sftp

sqlite3

descendants_tracker

net-smtp

sshkey

did_you_mean

net-ssh

sshkit

diff-lcs

net-ssh-gateway

stamp

digest

net-telnet

stomp

diva

netrc

stream

dnsruby

network_interface

stringex

docile

niceogiri

stringio

docker-api

nio4r

strptime

domain_name

nokogiri

strscan

drb

nokogiri-diff

sus

dry-core

oauth

sus-fixtures-async

dry-inflector

oauth2

sync

dry-logic

octokit

syntax

dry-monads

omniauth

sys-filesystem

dry-struct

open4

sys-uname

dry-types

openssl-ccm

syslogger

duktape-rb

openssl-cmac

systemu

dust

optimist

tdiff

ecma-re-validator

optionable

temple

ed25519

org-ruby

term-ansicolor

elastic-transport

ox

terminal-table

elasticsearch

paint

test-unit

elasticsearch-api

pairing_heap

test-unit-rr

elasticsearch-transport

parallel

test-unit-ruby-core

em-websocket

paramesan

test_construct

equalizer

parser

test_declarative

equatable

pastel

text

erubi

pathutil

text-hyphen

erubis

path_expander

thor

ethon

patron

thread_order

evented-spec

pcaprub

thread_safe

eventmachine

pdf-core

tidy_table

excon

pdf-inspector

tilt

execjs

pdf-reader

time

exifr

permutation

timecop

facter

pg

timeout

fakefs

pg_array_parser

timers

faker

pkg-config

tins

fake_ftp

plist

tokyocabinet

faraday

pluggaloid

tomlrb

faraday-follow_redirects

podcast

transaction-simple

faraday-httpclient

polyglot

treetop

faraday-multipart

power_assert

ttfunk

faraday-net_http

prawn

tty-color

faraday-net_http_persistent

prawn-table

tty-command

faraday-patron

prime

tty-cursor

faraday-rack

propshaft

tty-editor

faraday-retry

pry

tty-file

faraday_middleware

psych

tty-platform

faraday_middleware-multi_json

ptools

tty-prompt

fast-stemmer

public_suffix

tty-reader

fast_gettext

pundit

tty-screen

fattr

puppet-resource_api

tty-which

fcgi

puppetdb-termini

twitter

ffaker

puppet_forge

twitter-text

ffi

pusher-client

typed-array

ffi-compiler

qed

typeprof

fiber-annotation

racc

typhoeus

fiber-local

rack

tzinfo

file-tail

rack-attack

uconv

filesize

rack-cache

uglifier

fileutils

rack-openid

unf

filigree

rack-protection

unf_ext

flexmock

rack-session

unicode-display_width

flog

rack-test

unindent

font-awesome-rails

rackup

uuidtools

forgery

radius

vagrant_cloud

forwardable

rails

vcard

forwardable-extended

rails-dom-testing

vcr

fuubar

rails-html-sanitizer

version_gem

GeoRuby

railties

virtus

gettext-setup

rainbow

vlad

gettext_i18n_rails

rake

warden

gist

rake-compiler

warning

git

rake-remote_task

web-console

globalid

rantly

webmock

gnuplot

rash_alt

webrick

google-protobuf

rb-inotify

webrobots

googleapis-common-protos-types

rb-readline

websocket

gpgme

rbnacl

websocket-driver

grpc

rbpdf

websocket-extensions

gruff

rbpdf-font

whole_history_rating

haml

rbs

will_paginate

haml-rails

rbst

windows_error

hashdiff

rbtree

wirble

hashery

rcairo

wisper

hashicorp-checkpoint

rchardet

x25519

hashie

rdiscount

xdr

hashr

rdoc

xml-simple

heredoc_unindent

rdtool

xmlrpc

hiera

recog

xpath

hiera-eyaml

red-colors

yajl-ruby

hiera-eyaml-gpg

redcarpet

yard

hiera-eyaml-plaintext

redcloth

zeitwerk

highline

redis

zentest