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-pool

async-process

async-rspec

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

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

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

fiber-storage

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

getoptlong

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

nkf

nokogiri

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

nokogiri-diff

oauth

A RubyGem for implementing both OAuth clients and servers.

oauth-tty

oauth2

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

observer

octokit

omniauth

open4

Open3::popen3 with exit status

openssl-ccm

openssl-cmac

optimist

optionable

org-ruby

ostruct

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

prism

process_executer

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

repl_type_completor

request_store

resolv

resolv-replace

rest-client

A simple HTTP and REST client for Ruby.

rexical

Rexical is a lexical scanner generator

rexml

rgl

rinda

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

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-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

sus-fixtures-openssl

sync

syntax

Syntax highlighting for sourcecode and HTML

sys-filesystem

sys-uname

syslog

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

traces

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

tzinfo

Daylight-savings aware timezone library

uglifier

unf

unf_ext

unicode-display_width

unindent

uri

useragent

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

wisper

with_advisory_lock

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

hoe

regexp_parser

abstract

html-pipeline

regexp_property_values

acme-client

html2haml

reline

actioncable

htmlentities

repl_type_completor

actionmailbox

http

request_store

actionmailer

http-accept

resolv

actionpack

http-cookie

resolv-replace

actionpack-action_caching

http-form_data

rest-client

actionpack-xml_parser

http-parser

rexical

actiontext

httparty

rexml

actionview

httpauth

rgl

activejob

httpclient

rinda

activeldap

http_parser_rb

rinku

activemodel

i18n

ritex

activemodel-serializers-xml

ice_nine

rjb

activerecord

idn-ruby

rkelly-remix

activestorage

imagesize

rmagick

activesupport

image_processing

roadie

acts_as_list

immutable-ruby

roadie-rails

addressable

importmap-rails

robots

ae

instance_storage

rotp

afm

introspection

rouge

airbrussh

io-console

rqrcode

amatch

io-event

rqrcode_core

ammeter

io-wait

rr

amq-client

ipaddr

rrdtool-bindings

amq-protocol

irb

rspec

ansi

itextomml

rspec-block_is_expected

appraisal

jbuilder

rspec-collection_matchers

arel-helpers

jmespath

rspec-core

ascii85

jquery-rails

rspec-expectations

asciidoctor

jquery-ui-rails

rspec-files

asciidoctor-diagram

jsobfu

rspec-its

asciimath

json

rspec-json_expectations

ast

json_schema

rspec-memory

async

jwt

rspec-mocks

async-container

kissfft

rspec-pending_for

async-io

kpeg

rspec-rails

async-pool

kramdown

rspec-retry

async-process

kramdown-parser-gfm

rspec-stubbed_env

async-rspec

kramdown-syntax-coderay

rspec-support

autoprefixer-rails

launchy

rss

aws-eventstream

lemon

ruby-atk

aws-partitions

leto

ruby-augeas

aws-sigv4

letter_opener

ruby-cairo-gobject

axiom-types

levenshtein

ruby-dict

backports

libusb

ruby-feedparser

bacon

liquid

ruby-filemagic

barby

liquid-c

ruby-gdk3

base32

listen

ruby-gdkpixbuf2

base64

little-plugger

ruby-gettext

bcrypt-ruby

llhttp-ffi

ruby-gio2

bcrypt_pbkdf

locale

ruby-glib2

benchmark

localhost

ruby-gobject-introspection

benchmark-ips

lockfile

ruby-gtk3

bigdecimal

log4r

ruby-hmac

bindata

logger

ruby-ldap

bindex

loofah

ruby-macho

binding_of_caller

loquacious

ruby-mp3info

blankslate

lumberjack

ruby-net-ldap

blinkstick

mab

ruby-odbc

bogus

magic

ruby-oembed

brass

mail

ruby-ole

brotli

maildir

ruby-openid

bsearch

marcel

ruby-pango

bson

maruku

ruby-poppler

buftok

mash

ruby-prof

builder

matrix

ruby-progressbar

bundler

maxitest

ruby-rc4

bundler-audit

mecab-ruby

ruby-romkan

bunny

mechanize

ruby-shadow

capistrano

memoist

ruby-shout

capybara

memoizable

ruby-termios

certificate_authority

memo_wise

ruby-yadis

cgi

mercenary

ruby2ruby

charlock_holmes

metaclass

ruby2_keywords

chef-utils

metasm

rubygems

childlabor

method_source

rubyntlm

childprocess

middleware

rubypants

chronic

mime-types

rubytest

chunky_png

mime-types-data

rubytest-cli

climate_control

mimemagic

rubytter

cliver

minispec-metadata

rubyzip

cmdparse

minitar

ruby_engine

coderay

minitest

ruby_parser

coercible

minitest-around

ruby_smb

coffee-rails

minitest-bonus-assertions

ruby_version

coffee-script

minitest-global_expectations

sanitize

coffee-script-source

minitest-hooks

sass

color

minitest-power_assert

sass-rails

colorator

minitest-pretty_diff

sassc

colored

mini_magick

sassc-rails

colored2

mini_mime

sawyer

colorize

mini_portile2

sdoc

columnize

mixlib-config

securerandom

combustion

mixlib-shellout

seed-fu

commander

mkmf-lite

selenium-webdriver

commonmarker

mocha

semantic_puppet

concurrent-ruby

moneta

sequel

connection_pool

mqtt

serialport

console

msgpack

serverengine

contracts

multipart-parser

set

coolio

multipart-post

settingslogic

countdownlatch

multi_json

sexp_processor

crack

multi_test

shoulda

crass

multi_xml

shoulda-context

creole

mustache

shoulda-matchers

cri

mustermann

sigdump

css_parser

mutex_m

simple-rss

csv

mysql2

simplecov

curb

nanotest

simplecov-html

curses

narray

simplecov_json_formatter

daemons

naught

simpleidn

dalli

necromancer

simple_oauth

database_cleaner

nenv

sinatra

database_cleaner-active_record

neovim-ruby-client

singleton

database_cleaner-core

net-ftp

slim

date

net-http-digest_auth

slop

date_validator

net-http-persistent

slow_enumerator_tools

dbf

net-http-pipeline

snaky_hash

ddmetrics

net-imap

sorted_set

ddplugin

net-pop

sourcemap

debug

net-protocol

sparklines

debug_inspector

net-scp

spreadsheet

deckar01-task_list

net-sftp

spring

deep_merge

net-smtp

sprockets

delayer

net-ssh

sprockets-rails

delayer-deferred

net-ssh-gateway

spy

dependor

net-telnet

sqlite3

descendants_tracker

netrc

sshkey

did_you_mean

network_interface

sshkit

diff-lcs

niceogiri

stamp

digest

nio4r

stomp

diva

nkf

stream

dnsruby

nokogiri

stringex

docile

nokogiri-diff

stringio

docker-api

oauth

strptime

domain_name

oauth-tty

strscan

drb

oauth2

sus

dry-core

observer

sus-fixtures-async

dry-inflector

octokit

sus-fixtures-openssl

dry-logic

omniauth

sync

dry-monads

open4

syntax

dry-struct

openssl-ccm

sys-filesystem

dry-types

openssl-cmac

sys-uname

duktape-rb

optimist

syslog

ecma-re-validator

optionable

syslogger

ed25519

org-ruby

systemu

elastic-transport

ostruct

tdiff

elasticsearch

ox

temple

elasticsearch-api

paint

term-ansicolor

elasticsearch-transport

pairing_heap

terminal-table

em-websocket

parallel

test-unit

equalizer

paramesan

test-unit-rr

equatable

parser

test-unit-ruby-core

erubi

pastel

test_construct

erubis

pathutil

test_declarative

ethon

path_expander

text

evented-spec

patron

text-hyphen

eventmachine

pcaprub

thor

excon

pdf-core

thread_order

execjs

pdf-inspector

thread_safe

exifr

pdf-reader

tidy_table

facter

permutation

tilt

fakefs

pg

time

faker

pg_array_parser

timecop

fake_ftp

pkg-config

timeout

faraday

plist

timers

faraday-follow_redirects

pluggaloid

tins

faraday-httpclient

podcast

tokyocabinet

faraday-multipart

polyglot

tomlrb

faraday-net_http

power_assert

traces

faraday-net_http_persistent

prawn

transaction-simple

faraday-patron

prawn-table

treetop

faraday-rack

prime

ttfunk

faraday-retry

prism

tty-color

faraday_middleware

process_executer

tty-command

faraday_middleware-multi_json

propshaft

tty-cursor

fast-stemmer

pry

tty-editor

fast_gettext

psych

tty-file

fattr

ptools

tty-platform

fcgi

public_suffix

tty-prompt

ffaker

pundit

tty-reader

ffi

puppet-resource_api

tty-screen

ffi-compiler

puppetdb-termini

tty-which

fiber-annotation

puppet_forge

twitter

fiber-local

pusher-client

twitter-text

fiber-storage

qed

typed-array

file-tail

racc

typeprof

filesize

rack

tzinfo

fileutils

rack-attack

uglifier

filigree

rack-cache

unf

flexmock

rack-openid

unf_ext

flog

rack-protection

unicode-display_width

font-awesome-rails

rack-session

unindent

forgery

rack-test

uri

forwardable

rackup

useragent

forwardable-extended

radius

uuidtools

fuubar

rails

vagrant_cloud

GeoRuby

rails-dom-testing

vcard

getoptlong

rails-html-sanitizer

vcr

gettext-setup

railties

version_gem

gettext_i18n_rails

rainbow

virtus

gist

rake

vlad

git

rake-compiler

warden

globalid

rake-remote_task

warning

gnuplot

rantly

web-console

google-protobuf

rash_alt

webmock

googleapis-common-protos-types

rb-inotify

webrick

gpgme

rb-readline

webrobots

grpc

rbnacl

websocket

gruff

rbpdf

websocket-driver

haml

rbpdf-font

websocket-extensions

haml-rails

rbs

whole_history_rating

hashdiff

rbst

will_paginate

hashery

rbtree

windows_error

hashicorp-checkpoint

rcairo

wisper

hashie

rchardet

with_advisory_lock

hashr

rdiscount

x25519

heredoc_unindent

rdoc

xdr

hiera

rdtool

xml-simple

hiera-eyaml

recog

xmlrpc

hiera-eyaml-gpg

red-colors

xpath

hiera-eyaml-plaintext

redcarpet

yajl-ruby

highline

redcloth

yard

histogram

redis

zeitwerk

hitimes

ref

zentest

hocon