aasm

abstract

Library which enable you to define abstract method in Ruby.

actionmailer

Framework for designing email-service layers

actionpack

Eases web-request routing, handling, and response.

activeldap

activemodel

activerecord

Implements the ActiveRecord pattern (Fowler, PoEAA) for ORM

activerecord-deprecated_finders

activeresource

Think Active Record for web resources..

activesupport

Utility Classes and Extension to the Standard Library

active_model_serializers

active_reload

acts-as-taggable-on

acts_as_list

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

acts_as_versioned

addressable

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

adhearsion

'Adhesion you can hear' for integrating VoIP

adhearsion-loquacious

afm

akismet

allison

A modern, pretty RDoc template.

amatch

A template library for ruby like amrita

amazon-ec2

Amazon Web Services Elastic Compute Cloud (EC2) Ruby Gem

ammeter

amq-client

amq-protocol

amqp

amrita2

Amrita2 is a xml/xhtml template library for Ruby.

animation

annoy

Like your annoying friend that asks you questions all the time

ansi

apache_log_parser

apetag

api-versions

appraisal

arachni-rpc

arachni-rpc-em

archive-tar-minitar

Provides POSIX tarchive management from Ruby programs.

arel

ascii85

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

asciidoctor

ast

async_sinatra

Asynchronous response API for Sinatra and Thin

atomic

attic

A place for Ruby objects to hide instance variables

authlogic

A clean, simple, and unobtrusive ruby authentication solution.

authlogic-oid

Extension of the Authlogic library to add OpenID support.

autotest-rails

This is an autotest plugin to provide rails support.

awesome_nested_set

awesome_print

aws-s3

Amazon Web Services Elastic Compute Cloud (EC2) Ruby Gem

aws-sdb

Amazon Web Services Elastic Compute Cloud (EC2) Ruby Gem

aws-sdk

aws-ses

backports

bacon

Small RSpec clone weighing less than 350 LoC

barby

bcat

bcrypt-ruby

beanstalk-client

This is a Ruby client library for the Beanstalk protocol.

best_in_place

bitescript

BiteScript is a Ruby DSL for generating Java bytecode and classes.

blankslate

blockenspiel

bluecloth

A Ruby implementation of Markdown

bones

Tool that creates new Ruby projects from a code skeleton

bouncy-castle-java

bourbon

bourne

bsearch

bson

buftok

builder

A builder to facilitate programatic generation of XML markup

bundler

An easy way to vendor gem dependencies

bunny

cache_digests

caesars

Rapid DSL prototyping in Ruby.

calendar_date_select

A popular and flexible JavaScript DatePicker for RubyOnRails

calendar_helper

camping

A web microframework inspired by Ruby on Rails.

canny

Canny is a template library for Ruby.

capistrano

A distributed application deployment system

capybara

carrierwave

celluloid

cerberus

Continuous Integration tool for ruby projects

CFPropertyList

cgikit

CGIKit is a web application framework written in Ruby. The architecture is similar to WebObjects

charlock_holmes

chef-zero

childlabor

childprocess

chronic

A pure Ruby natural language date parser.

chunky_png

classifier

climate_control

cliver

cmdparse

Advanced command line parser supporting commands

cocaine

coderay

A Ruby library for syntax highlighting.

code_analyzer

coffee-rails

coffee-script

coffee-script-source

color

Colour management with Ruby

color-tools

Ruby library to provide RGB and CMYK colour support.

colorator

colored

colorize

columnize

Sorts an array in column order.

combustion

commander

compass

compass-rails

configliere

configuration

Pure ruby scoped configuration files

connection_pool

contest

cookiejar

coolio

cora

countdownlatch

crack

creole

cri

crxmake

css_parser

curb

Ruby-language bindings for libcurl

d3_rails

daemons

Wrap existing ruby scripts to be run as a daemon

daemon_controller

dalli

database_cleaner

A set of strategies for cleaning your database in Ruby.

datamapper

data_objects

The Core DataObjects class

date_validator

dbf

debugger-linecache

declarative_authorization

deep_merge

default_value_for

delocalize

deprecated

A Ruby library for handling deprecated code

dep_selector

descendants_tracker

devise

diff

diff-lcs

Use the McIlroy-Hunt LCS algorithm to compute differences

directory_watcher

dirty-memoize

distribution

dm-aggregates

DataMapper plugin providing support for aggregates, functions on collections and datasets

dm-constraints

dm-core

An Object/Relational Mapper for Ruby

dm-do-adapter

dm-migrations

DataMapper plugin for writing and specing migrations

dm-serializer

dm-sqlite-adapter

dm-timestamps

DataMapper plugin for magic timestamps

dm-transactions

dm-types

DataMapper plugin providing extra data types

dm-validations

DataMApper plugin for performing validations

dnsruby

A pure Ruby DNS client library

docile

documatic

domain_name

dotenv

do_sqlite3

A DataObjects driver for SQLite3

draper

drydock

DSL for building really powerful command line applications.

duby

Customizable typed programming language with Ruby-inspired syntax.

dust

Descriptive block syntax definition for Test::Unit.

echoe

Packaging tool that provides Rake tasks for common operations

em-http-request

em-synchrony

em-websocket

enumerize

equalizer

erubis

Erubis is an implementation of eRuby

eruby

eRuby interprets a Ruby code embedded text file

escape_utils

ethon

evented-spec

eventmachine

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

exception_notification

excon

execjs

exifr

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

expression_parser

extendmatrix

extensions

Extensions to the standard Ruby library

extlib

Support library for DataMapper and Merb

facebooker

facter

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

factory_girl

fakefs

A fake filesystem. Use it in your tests.

fakeweb

Helper for faking web requests in Ruby

faraday

HTTP/REST API client library with pluggable components

faraday_middleware

fast-stemmer

fastercsv

FasterCSV is a replacement for the standard CSV library

fastthread

Optimized replacement for thread.rb primitives

fast_gettext

fast_xs

fast_xs provides C extensions for escaping text

fattr

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

fcgi

feed_parser

ferret

a high-performance, full-featured text search engine library

ffaker

ffi

Ruby extension for programmatically loading dynamic libraries

ffi-ncurses

ffi-rzmq

file-tail

fivemat

fix_microsoft_links

flacinfo-rb

flay

Flay analyzes code for structural similarities.

flexmock

Simple mock object library for Ruby unit testing

flickr

An insanely easy interface to the Flickr photo-sharing service.

flickraw

flog

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

fog

foreman

forgery

formatador

formatize

formtastic

fssm

fusefs

Define file systems right in Ruby

fxruby

Ruby language binding to the FOX GUI toolkit

gemcutter

Add commands to gem for gemcutter.org operations

gemoji

gem_plugin

A plugin system based only on rubygems that uses dependencies only.

geocoder

GeoRuby

gettext_i18n_rails

gherkin

gibbler

Git-like hashes for Ruby objects

gimp-ruby

git

git-pivotal-tracker-integration

github-linguist

github-markdown

github-markup

github_api

gitlab-gollum-lib

gitlab-grack

gitlab-grit

gitlab_git

gitlab_omniauth-ldap

gloc

Localization library for ruby and/or rails.

gnuplot

god

Ruby monitoring framework which replaces monit

googlecharts

grape

grape-entity

gratr19

grb

grit

Grit gives you object oriented read/write access to Git repositories via Ruby.

gruff

A ruby library for creating pretty graphs and charts

guard

guard-rspec

haml

HAML - a ruby web page templating engine

haml-rails

hanna

RDoc implemented in Haml, making its source clean and maintainable

happymapper

Object to xml mapping library.

hashie

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

hashr

has_many_polymorphs

heredoc_unindent

hexoid

hiera

highline

highrise

hike

hipchat

hirb

Hirb provides a view framework for console applications, designed to improve irb's default output.

hitimes

hoe

Hoe extends rake to provide full project automation.

hoe-seattlerb

Hoe plugins providing tasks used by seattle.rb

hpricot

A fast and liberal HTML parser for Ruby.

htmlentities

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

http

http-cookie

httparty

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

httpauth

httpclient

http_configuration

http_parser

http_parser_rb

htty

i18n

icalendar

This library provides iCalendar support for ruby. (RFC-2445)

imagesize

imlib2-ruby

Imlib2 bindings for Ruby, written with the help of these people.

inifile

inline_attachment

innate

Simple, straight-forward base for web-frameworks.

innertube

instantiator

introspection

IO-Reactor

IO Reactor for event-driven multiplexed IO in a single thread

iobuffer

IO::Buffer is a fast byte queue which is primarily intended for non-blocking I/O applications

ipaddress

isolate

jabber4r

A Jabber library in pure Ruby

jbox-gitolite

jeweler

General Ruby extensions serving DataMapper and DataObjects

joiner

journey

jquery-rails

jquery-ui-rails

jruby-debug-base

Fast Ruby debugger

jruby-openssl

A Ruby SSL library that works with JRuby

jsmin

json

A JSON implementation as a Ruby extension.

json_pure

JSON implementation for Ruby

jwt

kaminari

kirbybase

A simple Ruby DBMS that stores data in plaintext files.

kissfft

knife-dsl

kramdown

krb5-auth

kwaff

Kwaff is a simplified and structured data format for XML target

kwalify

kwartz-ruby

HTML templete system which realized the concept 'Separation of Presentation Logic and Presentation Data'(SoPL/PD)

langscan

LangScan is a program analyzer for source code search engine.

launchy

letter_opener

levenshtein

libnotify

librex

librmpd

Ruby library for communicating with an MPD server

libxml

linecache

Caches files as might be used in a debugger or a tool that works with sets of Ruby source files.

linkedin

liquid

listen

litc

A tiny ruby module for Amazon EC2 intance metadata

literati

little-plugger

Module that provides Gem based plugin management

locale

lockfile

nfs safe lockfile creation

log4r

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

logging

logue

log_buddy

loquacious

Descriptive configuration files for Ruby written in Ruby

lumberjack

mab

macaddr

magic

mail

map

maruku

A Markdown-superset interpreter written in Ruby.

mash

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

matchy

RSpec-esque matchers for use in Test::Unit

mecab-ruby

Ruby binding for MeCab

mechanize

A Ruby library used for automating interaction with websites.

mega-modules

Ruby's Massive Class Collection

memcache-client

memoizable

memoize

merb-assets

Merb plugin that provides the helpers for assets and asset bundling

merb-core

The core of Merb, a lightweight, fast Ruby MVC framework

merb-haml

Merb plugin that provides HAML support

merb-helpers

Merb plugin providing various view helpers

merb-param-protection

Merb plugin providing methods to filter parameters

merb-slices

A Merb plugin for creating modularized applications

mercenary

metaclass

metaid

An aid to Ruby metaprogramming

metasploit_data_models

method_source

metric_fu

A set of rake tasks that make it easy to generate metrics reports.

middleware

mime-types

ming-ruby

Ming/Ruby is a Ruby extensional library for Ming

minitest

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

mini_exiftool

wrapper for exiftool

mini_magick

Manipulate images with minimal use of memory.

mini_portile

mini_shoulda

mixlib-authentication

mixlib-cli

mixlib-config

mixlib-log

mixlib-shellout

mocha

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

modernizr

modular-scale

moneta

money

This library aids one in handling money and different currencies.

mongo

mongoid

mp3taglib

mp3taglib is a id3v1/id3v2 mp3 tagging library for ruby

mp4info

mpd-rb

Ruby class for communicating with an MPD server

mruby

msfrpc-client

msgpack

multipart-post

multi_json

multi_test

multi_xml

mustache

mysql-ruby

A Ruby extension library to use MySQL

mysql2

nagios

nagios_analyzer

nano-methods

Ruby's Atomic Library

narray

Numerical N-dimensional Array class

naught

ncursesw-ruby

needle

Dependency injection for Ruby

nested_form

net-dns

net-geoip

Ruby bindings for the GeoIP library

net-http-digest_auth

net-http-persistent

net-scp

net-sftp

net-ssh

net-ssh-gateway

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

net-ssh-multi

Net::SSH::Multi is a library for controlling multiple Net::SSH connections via a single interface.

network_interface

net_dav

niceogiri

nokogiri

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

nokogiri-diff

nokogiri-happymapper

nora

Nora - ruby libraries for web application library

notify

ntlm-http

oauth

A RubyGem for implementing both OAuth clients and servers.

oauth-plugin

oauth2

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

ohai

oj

omniauth

omniauth-github

omniauth-google-oauth2

omniauth-oauth

omniauth-oauth2

omniauth-twitter

oniguruma

open4

Open3::popen3 with exit status

open_id_authentication

org-ruby

origin

orm_adapter

osmlib-base

A ruby library for OpenStreetMap.

ox

packetfu

paint

paper_trail

parseconfig

parser

parslet

patron

paypal

Library aiding with Paypal IPN from web applications.

pcaprub

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

piston

A Rails utility that uses Subversion to manage local copies of upstream vendor branches.

pivotal-tracker

Ruby gem that provides an AR-style interface for the Pivotal Tracker API.

pkg-config

plist

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

plruby

plruby language for PostgreSQL

plugman

png

podcast

A pure Ruby library for generating podcasts from mp3 files

poltergeist

polyglot

pony

posix-spawn

powerpack

prawn

Fast, Nimble PDF Generation For Ruby

prawn-core

Fast, Nimble PDF Generation For Ruby

prawn-layout

An extension to Prawn offering table support, grid layouts and other things

prawn-security

Popular Password Protection & Permissions for Prawn PDFs

programming-ruby

Programming Ruby: The Pragmatic Programmers' Guide by Dave Thomas and Andrew Hunt

protected_attributes

pry

puma

pygments_rb

pyu-ruby-sasl

qt4-qtruby

Ruby bindings for Qt4

quixml

A fast Ruby XML API written in C with pretty-printing, entity en-/decoding, marshalling and regex addressing.

racc

A LALR(1) parser generator for Ruby

rack

A modular Ruby webserver interface

rack-accept

rack-attack

rack-cache

rack-contrib

rack-mount

rack-openid

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

rack-protection

rack-ssl

rack-test

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

radius

Powerful tag-based template system.

ragol

railroady

rails

ruby on rails is a web-application and persistance framework

rails-acts_as_tree

Rails ActsAsTree plugin

rails-acts_as_versioned

Rails ActsAsVersioned plugin

rails-app-installer

rails-engines

The Rails Engines plugin

rails-observers

rails_autolink

rails_best_practices

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

ramaze

Ramaze is a simple and modular web framework.

rand

A Ruby library for picking random elements and shuffling.

rash

rb-gsl

rb-inotify

rb-readline

rbbr

Ruby Browser for modules/classes hierarchy and their constants and methods

rbtree

Ruby/RBTree module.

rbwebkitgtk

rcairo

Ruby bindings for cairo

rchardet19

rcsparse

RCS parsing library for Ruby

rdiscount

rdoc

An extended version of the RDoc library from Ruby 1.8

rdtool

A multipurpose documentation format for Ruby

realrand

Generate real random numbers in Ruby.

redcarpet

redcloth

A module for using Textile in Ruby

redgreen

A wrapper to support colored output with test/unit.

redis

redis-actionpack

redis-activesupport

redis-namespace

redis-rack

redis-rails

redis-store

reek

A tool that examines Ruby classes, modules and methods and reports any code smells it finds.

refe

ReFe is an interactive reference for Japanese Ruby manual

request-log-analyzer

request_store

require_all

require_relative

responds_to_parent

Adds responds_to_parent to your controller to respond to the parent document of your page.

rest-client

A simple HTTP and REST client for Ruby.

rev

Modern continuous testing (flexible alternative to Autotest)

revolution

Ruby binding for the Evolution email client.

rexical

Rexical is a lexical scanner generator

rflickr

A Ruby implementation of the Flickr API.

rgen

riddle

An interface to the Sphinx search daemon.

riel

right_aws

A robust, fast, and secure interface to Amazon EC2, EBS, S3, SQS, SDB, and CloudFront.

right_http_connection

RightScale's robust HTTP/S connection module

rinku

ri_cal

rjb

rkelly-remix

rmagick

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

robots

roodi

Roodi stands for Ruby Object Oriented Design Inferometer

rqr

rqrcode

rr

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

rrb

Ruby Refactoring Browser

rrdtool-bindings

rsi

rspec

A Behaviour Driven Development (BDD) framework for Ruby

rspec-core

rspec-expectations

rspec-mocks

rspec-rails

RSpec's official Ruby on Rails plugin

rss

rubibob

RuBiBoB enables you to send sms and check your balance of your BiBoB account.

rubigen

A framework to allow Ruby applications to generate file/folder stubs.

rubocop

ruby-atk

Ruby Atk bindings

ruby-augeas

Ruby bindings for Augeas

ruby-breakpoint

An interactive debugging library

ruby-bz2

Ruby interface to libbz2

ruby-cairo-gobject

ruby-chasen

ChaSen module for Ruby

ruby-clutter

ruby-clutter-gstreamer

ruby-clutter-gtk

ruby-debug

CLI interface to ruby-debug

ruby-debug-base

Fast Ruby debugger

ruby-dict

RFC 2229 client in Ruby

ruby-eb

RubyEB is a ruby extension for EB Library

ruby-elf

Ruby library to access ELF files information

ruby-feedparser

Ruby library for parsing RSS and Atom feeds

ruby-filemagic

Ruby binding to libmagic

ruby-freedb

A Ruby library to access cddb/freedb servers

ruby-gconf2

Ruby GConf2 bindings

ruby-gd

ruby-gd: an interface to Boutell GD library

ruby-gd2

Ruby bindings for the GD 2.x graphics library.

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-gnome2

Ruby Gnome2 bindings

ruby-gnomecanvas2

Ruby GnomeCanvas2 bindings

ruby-gobject-introspection

ruby-goocanvas

ruby-gsl

Ruby wrapper for GNU Scientific Library

ruby-gstreamer

Ruby GStreamer bindings

ruby-gtk2

Ruby Gtk2 bindings

ruby-gtk3

ruby-gtksourceview

Ruby bindings for gtksourceview

ruby-gtksourceview3

ruby-hmac

A common interface to HMAC functionality as documented in RFC2104.

ruby-hunspell

Ruby bindings for Hunspell spell-checking library

ruby-inifile

Small library to parse INI-files in Ruby

ruby-irc

Ruby-IRC is a framework for connecting and comunicating with IRC servers.

ruby-ldap

A Ruby interface to some LDAP libraries

ruby-libart2

Ruby Libart2 bindings

ruby-libglade2

Ruby Libglade2 bindings

ruby-mp3info

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

ruby-mpd

Ruby class for communicating with an MPD server

ruby-net-ldap

Pure ruby LDAP client implementation.

ruby-oci8

A Ruby library for Oracle

ruby-odbc

RubyODBC - For accessing ODBC data sources from the Ruby language

ruby-oembed

ruby-ogginfo

ruby-opengl

OpenGL / GLUT bindings for ruby

ruby-openid

A robust library for verifying and serving OpenID identities

ruby-pango

Ruby Pango bindings

ruby-password

Ruby/Password comprises a set of useful methods for creating, verifying and manipulating passwords.

ruby-pcap

Extension library to use libpcap from Ruby

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-recaptcha

The ReCaptchaClient abstracts the ReCaptcha API for use in Rails Applications

ruby-rmail

Ruby mail handling library.

ruby-romkan

A Romaji <-> Kana conversion library for Ruby

ruby-rsvg

Ruby bindings for librsvg

ruby-saml

ruby-sdl

Ruby/SDL: Ruby bindings for SDL

ruby-shadow

ruby shadow bindings

ruby-shout

A Ruby interface to libshout2

ruby-stemmer

ruby-taglib

Ruby bindings for the taglib, allowing to access MP3, OGG, and FLAC tags

ruby-tcpwrap

A TCP wrappers library for Ruby

ruby-termios

A Ruby interface to termios

ruby-vte

Ruby vte bindings

ruby-vte3

ruby-webkit-gtk

ruby-webkit-gtk2

ruby-xslt

A Ruby class for processing XSLT

ruby-yadis

A ruby library for performing Yadis service discovery

ruby2ruby

Generates readable ruby from ParseTree

rubycas-client

rubyfilter

A mail handling library for Ruby

rubyforge

Simplistic script which automates a limited set of rubyforge operations

rubygame

A cross-platform multimedia library for ruby

rubygems

Centralized Ruby extension management system

RubyInline

rubylibcrack

A Ruby binding to the password strength checker, libcrack/cracklib.

rubyntlm

rubypants

A Ruby port of the SmartyPants PHP library.

rubytorrent

A pure-Ruby BitTorrent peer library and toolset

rubytree

rubytter

Rubytter is a simple twitter library

rubyzip

A ruby library for reading and writing zip files

ruby_gntp

ruby_parser

A ruby parser written in pure ruby.

rust

Ruby Extensions Generator

rvideo

Inspect and process video or audio files.

rvm

rye

Safely run SSH commands on a bunch of machines at the same time

safe_yaml

saikuro

A Ruby cyclomatic complexity analyzer.

samuel

An automatic logger for HTTP requests in Ruby.

sanitize

sary-ruby

Ruby Binding of Sary

sass

sass-rails

sassy-buttons

sassy-math

sdoc

seed-fu

selectivizr-rails

selenium-webdriver

sequel

A lightweight database toolkit for Ruby

serialport

session

settingslogic

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

sexp_processor

sfl

shipping

An easy to use shipping API for Ruby

shoes

Shoes is a very informal graphics and windowing toolkit for Ruby.

shorturl

A very simple library to use URL shortening services such as TinyURL or RubyURL.

shotgun

Forking implementation of rackup

shoulda

Making tests easy on the fingers and eyes

shoulda-context

shoulda-matchers

sidekiq

sigar

simple-rss

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

simplecov

simplecov-gem-adapter

simplecov-html

simple_oauth

sinatra

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

sinatra-contrib

six

slim

slop

snmplib

SNMP library implemented in pure Ruby

soap4r

source_map

sparklines

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

spider

spork

sprockets

sprockets-rails

sqlite3

stale_fish

stamp

state_machine

statsample

stomp

Ruby bindings for the stomp messaging protocol

stompserver

Stomp messaging server with FIFO queues, queue monitoring, and basic authentication.

storable

stringex

subcommand

subexec

susy

svn2git

swf_fu

syntax

Syntax highlighting for sourcecode and HTML

sys-proctable

sysinfo

All your system-independent info in one handy class

syslog-logger

syslogger

systemu

system_timer

tclink

Make-like scripting in Ruby

tdiff

templater

A powerful code generation framework

temple

term-ansicolor

termcolor

a library for ANSI color formatting like HTML for output in terminal

terminal-table

test-construct

Construct is a DSL for creating temporary files and directories during testing.

test-spec

A library to do Behavior Driven Development with Test::Unit

test-unit

Nathaniel Talbott's originial test-unit

test-unit-rr

test_declarative

text

text-format

Text::Format provides strong text formatting capabilities to Ruby

text-hyphen

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

textpow

A library to parse and process Textmate bundles.

thinking-sphinx

A concise and easy-to-use Ruby library that connects ActiveRecord to the Sphinx search daemon.

thor

A scripting framework that replaces rake and sake

thread_safe

tidy-ext

tidy_table

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

tilt

timecop

timers

tinder

tins

tmail

An email handling library

tokyocabinet

toml

transaction-simple

Provides transaction support at the object level

treetop

Treetop is a language for describing languages.

trollop

yet another fine commandline argument processing library

tryouts

High-level testing library (DSL) for Ruby codes and command-line applications

ts-datetime-delta

Manage delta indexes via datetime columns for Thinking Sphinx.

ttfunk

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

turbolinks

twitter

Ruby wrapper around the Twitter API

twitter-stream

twitter_oauth

Extension of the Authlogic library to add OpenID support.

typed-array

typhoeus

tzinfo

Daylight-savings aware timezone library

uconv

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

uglifier

ultraviolet

A syntax highlighting engine based on Textpow

underscore-rails

unf

unf_ext

user_agent

uuid

uuidtools

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

versionomy

virtualbox

virtus

vlad

Pragmatic application deployment automation, without mercy.

vpim

A library to manipulate vCards and iCalendars

warden

watch

weakling

webmock

Allows stubbing HTTP requests and setting expectations on HTTP requests

webrat

Ruby acceptance testing for web applications

webrobots

websocket-driver

wikicloth

will_paginate

Most awesome pagination solution for Ruby

wirble

Wirble is a set of enhancements for Irb.

wmainfo-rb

xml-mapping

XML-to-object (and back) mapper for Ruby, including XPath interpreter

xml-simple

xmpp4r

An XMPP library for Ruby

xmpp4r-simple

Jabber::Simple - An extremely easy-to-use Jabber client library.

xpath

yajl-ruby

yamler

yard

Documentation generation tool for the Ruby programming language

zabbix

zabbixapi

zentest

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

zipruby

zmq

zoom

aasm

hirb

rest-client

abstract

hitimes

rev

actionmailer

hoe

revolution

actionpack

hoe-seattlerb

rexical

activeldap

hpricot

rflickr

activemodel

htmlentities

rgen

activerecord

http

riddle

activerecord-deprecated_finders

http-cookie

riel

activeresource

httparty

right_aws

activesupport

httpauth

right_http_connection

active_model_serializers

httpclient

rinku

active_reload

http_configuration

ri_cal

acts-as-taggable-on

http_parser

rjb

acts_as_list

http_parser_rb

rkelly-remix

acts_as_versioned

htty

rmagick

addressable

i18n

robots

adhearsion

icalendar

roodi

adhearsion-loquacious

imagesize

rqr

afm

imlib2-ruby

rqrcode

akismet

inifile

rr

allison

inline_attachment

rrb

amatch

innate

rrdtool-bindings

amazon-ec2

innertube

rsi

ammeter

instantiator

rspec

amq-client

introspection

rspec-core

amq-protocol

IO-Reactor

rspec-expectations

amqp

iobuffer

rspec-mocks

amrita2

ipaddress

rspec-rails

animation

isolate

rss

annoy

jabber4r

rubibob

ansi

jbox-gitolite

rubigen

apache_log_parser

jeweler

rubocop

apetag

joiner

ruby-atk

api-versions

journey

ruby-augeas

appraisal

jquery-rails

ruby-breakpoint

arachni-rpc

jquery-ui-rails

ruby-bz2

arachni-rpc-em

jruby-debug-base

ruby-cairo-gobject

archive-tar-minitar

jruby-openssl

ruby-chasen

arel

jsmin

ruby-clutter

ascii85

json

ruby-clutter-gstreamer

asciidoctor

json_pure

ruby-clutter-gtk

ast

jwt

ruby-debug

async_sinatra

kaminari

ruby-debug-base

atomic

kirbybase

ruby-dict

attic

kissfft

ruby-eb

authlogic

knife-dsl

ruby-elf

authlogic-oid

kramdown

ruby-feedparser

autotest-rails

krb5-auth

ruby-filemagic

awesome_nested_set

kwaff

ruby-freedb

awesome_print

kwalify

ruby-gconf2

aws-s3

kwartz-ruby

ruby-gd

aws-sdb

langscan

ruby-gd2

aws-sdk

launchy

ruby-gdk3

aws-ses

letter_opener

ruby-gdkpixbuf2

backports

levenshtein

ruby-gettext

bacon

libnotify

ruby-gio2

barby

librex

ruby-glib2

bcat

librmpd

ruby-gnome2

bcrypt-ruby

libxml

ruby-gnomecanvas2

beanstalk-client

linecache

ruby-gobject-introspection

best_in_place

linkedin

ruby-goocanvas

bitescript

liquid

ruby-gsl

blankslate

listen

ruby-gstreamer

blockenspiel

litc

ruby-gtk2

bluecloth

literati

ruby-gtk3

bones

little-plugger

ruby-gtksourceview

bouncy-castle-java

locale

ruby-gtksourceview3

bourbon

lockfile

ruby-hmac

bourne

log4r

ruby-hunspell

bsearch

logging

ruby-inifile

bson

logue

ruby-irc

buftok

log_buddy

ruby-ldap

builder

loquacious

ruby-libart2

bundler

lumberjack

ruby-libglade2

bunny

mab

ruby-mp3info

cache_digests

macaddr

ruby-mpd

caesars

magic

ruby-net-ldap

calendar_date_select

mail

ruby-oci8

calendar_helper

map

ruby-odbc

camping

maruku

ruby-oembed

canny

mash

ruby-ogginfo

capistrano

matchy

ruby-opengl

capybara

mecab-ruby

ruby-openid

carrierwave

mechanize

ruby-pango

celluloid

mega-modules

ruby-password

cerberus

memcache-client

ruby-pcap

CFPropertyList

memoizable

ruby-poppler

cgikit

memoize

ruby-prof

charlock_holmes

merb-assets

ruby-progressbar

chef-zero

merb-core

ruby-rc4

childlabor

merb-haml

ruby-recaptcha

childprocess

merb-helpers

ruby-rmail

chronic

merb-param-protection

ruby-romkan

chunky_png

merb-slices

ruby-rsvg

classifier

mercenary

ruby-saml

climate_control

metaclass

ruby-sdl

cliver

metaid

ruby-shadow

cmdparse

metasploit_data_models

ruby-shout

cocaine

method_source

ruby-stemmer

coderay

metric_fu

ruby-taglib

code_analyzer

middleware

ruby-tcpwrap

coffee-rails

mime-types

ruby-termios

coffee-script

ming-ruby

ruby-vte

coffee-script-source

minitest

ruby-vte3

color

mini_exiftool

ruby-webkit-gtk

color-tools

mini_magick

ruby-webkit-gtk2

colorator

mini_portile

ruby-xslt

colored

mini_shoulda

ruby-yadis

colorize

mixlib-authentication

ruby2ruby

columnize

mixlib-cli

rubycas-client

combustion

mixlib-config

rubyfilter

commander

mixlib-log

rubyforge

compass

mixlib-shellout

rubygame

compass-rails

mocha

rubygems

configliere

modernizr

RubyInline

configuration

modular-scale

rubylibcrack

connection_pool

moneta

rubyntlm

contest

money

rubypants

cookiejar

mongo

rubytorrent

coolio

mongoid

rubytree

cora

mp3taglib

rubytter

countdownlatch

mp4info

rubyzip

crack

mpd-rb

ruby_gntp

creole

mruby

ruby_parser

cri

msfrpc-client

rust

crxmake

msgpack

rvideo

css_parser

multipart-post

rvm

curb

multi_json

rye

d3_rails

multi_test

safe_yaml

daemons

multi_xml

saikuro

daemon_controller

mustache

samuel

dalli

mysql-ruby

sanitize

database_cleaner

mysql2

sary-ruby

datamapper

nagios

sass

data_objects

nagios_analyzer

sass-rails

date_validator

nano-methods

sassy-buttons

dbf

narray

sassy-math

debugger-linecache

naught

sdoc

declarative_authorization

ncursesw-ruby

seed-fu

deep_merge

needle

selectivizr-rails

default_value_for

nested_form

selenium-webdriver

delocalize

net-dns

sequel

deprecated

net-geoip

serialport

dep_selector

net-http-digest_auth

session

descendants_tracker

net-http-persistent

settingslogic

devise

net-scp

sexp_processor

diff

net-sftp

sfl

diff-lcs

net-ssh

shipping

directory_watcher

net-ssh-gateway

shoes

dirty-memoize

net-ssh-multi

shorturl

distribution

network_interface

shotgun

dm-aggregates

net_dav

shoulda

dm-constraints

niceogiri

shoulda-context

dm-core

nokogiri

shoulda-matchers

dm-do-adapter

nokogiri-diff

sidekiq

dm-migrations

nokogiri-happymapper

sigar

dm-serializer

nora

simple-rss

dm-sqlite-adapter

notify

simplecov

dm-timestamps

ntlm-http

simplecov-gem-adapter

dm-transactions

oauth

simplecov-html

dm-types

oauth-plugin

simple_oauth

dm-validations

oauth2

sinatra

dnsruby

ohai

sinatra-contrib

docile

oj

six

documatic

omniauth

slim

domain_name

omniauth-github

slop

dotenv

omniauth-google-oauth2

snmplib

do_sqlite3

omniauth-oauth

soap4r

draper

omniauth-oauth2

source_map

drydock

omniauth-twitter

sparklines

duby

oniguruma

spider

dust

open4

spork

echoe

open_id_authentication

sprockets

em-http-request

org-ruby

sprockets-rails

em-synchrony

origin

sqlite3

em-websocket

orm_adapter

stale_fish

enumerize

osmlib-base

stamp

equalizer

ox

state_machine

erubis

packetfu

statsample

eruby

paint

stomp

escape_utils

paper_trail

stompserver

ethon

parseconfig

storable

evented-spec

parser

stringex

eventmachine

parslet

subcommand

exception_notification

patron

subexec

excon

paypal

susy

execjs

pcaprub

svn2git

exifr

pdf-inspector

swf_fu

expression_parser

pdf-reader

syntax

extendmatrix

permutation

sys-proctable

extensions

pg

sysinfo

extlib

piston

syslog-logger

facebooker

pivotal-tracker

syslogger

facter

pkg-config

systemu

factory_girl

plist

system_timer

fakefs

plruby

tclink

fakeweb

plugman

tdiff

faraday

png

templater

faraday_middleware

podcast

temple

fast-stemmer

poltergeist

term-ansicolor

fastercsv

polyglot

termcolor

fastthread

pony

terminal-table

fast_gettext

posix-spawn

test-construct

fast_xs

powerpack

test-spec

fattr

prawn

test-unit

fcgi

prawn-core

test-unit-rr

feed_parser

prawn-layout

test_declarative

ferret

prawn-security

text

ffaker

programming-ruby

text-format

ffi

protected_attributes

text-hyphen

ffi-ncurses

pry

textpow

ffi-rzmq

puma

thinking-sphinx

file-tail

pygments_rb

thor

fivemat

pyu-ruby-sasl

thread_safe

fix_microsoft_links

qt4-qtruby

tidy-ext

flacinfo-rb

quixml

tidy_table

flay

racc

tilt

flexmock

rack

timecop

flickr

rack-accept

timers

flickraw

rack-attack

tinder

flog

rack-cache

tins

fog

rack-contrib

tmail

foreman

rack-mount

tokyocabinet

forgery

rack-openid

toml

formatador

rack-protection

transaction-simple

formatize

rack-ssl

treetop

formtastic

rack-test

trollop

fssm

radius

tryouts

fusefs

ragol

ts-datetime-delta

fxruby

railroady

ttfunk

gemcutter

rails

turbolinks

gemoji

rails-acts_as_tree

twitter

gem_plugin

rails-acts_as_versioned

twitter-stream

geocoder

rails-app-installer

twitter_oauth

GeoRuby

rails-engines

typed-array

gettext_i18n_rails

rails-observers

typhoeus

gherkin

rails_autolink

tzinfo

gibbler

rails_best_practices

uconv

gimp-ruby

railties

uglifier

git

rainbow

ultraviolet

git-pivotal-tracker-integration

rake

underscore-rails

github-linguist

rake-compiler

unf

github-markdown

rake-remote_task

unf_ext

github-markup

ramaze

user_agent

github_api

rand

uuid

gitlab-gollum-lib

rash

uuidtools

gitlab-grack

rb-gsl

versionomy

gitlab-grit

rb-inotify

virtualbox

gitlab_git

rb-readline

virtus

gitlab_omniauth-ldap

rbbr

vlad

gloc

rbtree

vpim

gnuplot

rbwebkitgtk

warden

god

rcairo

watch

googlecharts

rchardet19

weakling

grape

rcsparse

webmock

grape-entity

rdiscount

webrat

gratr19

rdoc

webrobots

grb

rdtool

websocket-driver

grit

realrand

wikicloth

gruff

redcarpet

will_paginate

guard

redcloth

wirble

guard-rspec

redgreen

wmainfo-rb

haml

redis

xml-mapping

haml-rails

redis-actionpack

xml-simple

hanna

redis-activesupport

xmpp4r

happymapper

redis-namespace

xmpp4r-simple

hashie

redis-rack

xpath

hashr

redis-rails

yajl-ruby

has_many_polymorphs

redis-store

yamler

heredoc_unindent

reek

yard

hexoid

refe

zabbix

hiera

request-log-analyzer

zabbixapi

highline

request_store

zentest

highrise

require_all

zipruby

hike

require_relative

zmq

hipchat

responds_to_parent

zoom