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.

actionwebservice

Simple Support for Web Services APIs for Rails

activerecord

Implements the ActiveRecord pattern (Fowler, PoEAA) for ORM

activerecord-jdbc

A database adapter for Rails' ActiveRecord component that can be used with JRuby

activeresource

Think Active Record for web resources..

activesupport

Utility Classes and Extension to the Standard Library

addressable

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

adhearsion

'Adhesion you can hear' for integrating VoIP

allison

A modern, pretty RDoc template.

amatch

A template library for ruby like amrita

amrita

A HTML/XHTML template library for Ruby

amstd

Ruby utility collection by Minero Aoki

archive-tar-minitar

Provides POSIX tarchive management from Ruby programs.

arrayfields

Allow keyword access to array instances.

ascii85

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

autotest-rails

This is an autotest plugin to provide rails support.

aws-s3

Client library for Amazon's Simple Storage Service's REST API

bacon

Small RSpec clone weighing less than 350 LoC

bluecloth

A Ruby implementation of Markdown

bones

Tool that creates new Ruby projects from a code skeleton

bones-extras

The extras package for Mr Bones

builder

A builder to facilitate programatic generation of XML markup

bundler

An easy way to vendor gem dependencies

calendar_date_select

A popular and flexible JavaScript DatePicker for RubyOnRails

camping

A small web framework modeled after Ruby on Rails.

canny

Canny is a template library for Ruby.

capistrano

A distributed application deployment system

capistrano-launcher

Launcher script for capistrano

cerberus

Continuous Integration tool for ruby projects

cgikit

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

cgi_multipart_eof_fix

Fix an exploitable bug in CGI multipart parsing.

cmdparse

Advanced command line parser supporting commands

coderay

A Ruby library for syntax highlighting.

color

Colour management with Ruby

color-tools

Ruby library to provide RGB and CMYK colour support.

columnize

Sorts an array in column order.

crack

Really simple JSON and XML parsing, ripped from Merb and Rails.

daemons

Wrap existing ruby scripts to be run as a daemon

dbd-mysql

The MySQL database driver (DBD) for Ruby/DBI

dbd-odbc

The ODBC database driver (DBD) for Ruby/DBI

dbd-pg

The PostgreSQL database driver (DBD) for Ruby/DBI

dbd-sqlite

The SQLite database driver (DBD) for Ruby/DBI

dbd-sqlite3

The SQLite 3 database driver (DBD) for Ruby/DBI

deprecated

A Ruby library for handling deprecated code

diff

Computes the differences between two arrays of elements

diff-lcs

Use the McIlroy-Hunt LCS algorithm to compute differences

dust

Descriptive block syntax definition for Test::Unit.

echoe

Packaging tool that provides Rake tasks for common operations

eruby

eRuby interprets a Ruby code embedded text file

eventmachine

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

exifr

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

extensions

Extensions to the standard Ruby library

facets

Facets is an extension library adding extra functionality to Ruby

facter

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

fakefs

A fake filesystem. Use it in your tests.

fakeweb

Helper for faking web requests in Ruby

fastercsv

FasterCSV is a replacement for the standard CSV library

fastthread

Optimized replacement for thread.rb primitives

fattr

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

ffi

Ruby extension for programmatically loading dynamic libraries

flexmock

Simple mock object library for Ruby unit testing

flickr

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

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

gem_plugin

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

gettext_activerecord

An L10 library for ActiveRecord.

gettext_rails

An L10 library for Ruby on Rails.

gnuplot

Gnuplot drawing library - Ruby Bindings

gruff

A ruby library for creating pretty graphs and charts

haml

HAML - a ruby web page templating engine

hashie

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

heckle

Unit Test Sadism

highline

Highline is a high-level command-line IO library for ruby.

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.

httparty

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

httpclient

'httpclient' gives something like the functionality of libwww-perl (LWP) in Ruby

i18n

Add Internationalization support to your Ruby application.

IceRuby

ICE middleware C++ bindings

id3lib-ruby

Ruby interface to the id3lib C++ library

imagesize

Measure image size (GIF, PNG, JPEG, etc)

imlib2-ruby

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

IO-Reactor

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

jabber4r

A Jabber library in pure Ruby

jruby-debug-base

Fast Ruby debugger

jruby-openssl

A Ruby SSL library that works with JRuby

json

A JSON implementation as a Ruby extension.

kirbybase

A simple Ruby DBMS that stores data in plaintext files.

libxml

Ruby libxml with a user friendly API, akin to REXML, but feature complete and significantly faster.

linecache

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

little-plugger

Module that provides Gem based plugin management

locale

A pure ruby library which provides basic APIs for localization.

locale_rails

This library provides some Rails localized functions.

log4r

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

loquacious

Descriptive configuration files for Ruby written in Ruby

main

A class factory and dsl for generating command line programs real quick.

markaby

A templating language for Ruby to write HTML templates in pre Ruby

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

metaid

An aid to Ruby metaprogramming

mime-types

Provides a mailcap-like MIME Content-Type lookup for Ruby.

minitest

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

mini_magick

Manipulate images with minimal use of memory.

mkrf

mkrf is a library for generating Rakefiles, primarily intended for building C extentions for Ruby.

mmap

The Mmap class implement memory-mapped file objects

mocha

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

mysql-ruby

A Ruby extension library to use MySQL

nano-methods

Ruby's Atomic Library

narray

Numerical N-dimensional Array class

ncurses-ruby

Ruby wrappers of ncurses and PDCurses libs

needle

Dependency injection for Ruby

net-dns

DNS resolver in pure Ruby

net-geoip

Ruby bindings for the GeoIP library

net-scp

A pure Ruby implementation of the SCP client protocol

net-sftp

SFTP in pure Ruby

net-ssh

Non-interactive SSH processing in pure Ruby

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.

nimage

simple Ruby class for displaying 2-D Data as images on X11 display

nokogiri

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

nora

Nora - ruby libraries for web application library

oauth

A RubyGem for implementing both OAuth clients and servers.

oniguruma

Ruby bindings to the Oniguruma

open4

Open3::popen3 with exit status

osmlib-base

A ruby library for OpenStreetMap.

palmtree

Assortment of Capistrano recipes for managing other aspects of your Rails application.

parsetree

ParseTree extracts the parse tree for a Class or method and returns it as a s-expression.

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

pdf-writer

A pure Ruby PDF document creation library.

pg

Ruby extension library providing an API to PostgreSQL

piston

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

plist

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

plruby

plruby language for PostgreSQL

png

An almost pure-Ruby Portable Network Graphics (PNG) library.

podcast

A pure Ruby library for generating podcasts from mp3 files

polyglot

Polyglot provides support for fully-custom DSLs.

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

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-test

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

radiant

A no-fluff, open source content management system

radius

Powerful tag-based template system.

rails

ruby on rails is a web-application and persistance framework

rake

Make-like scripting in Ruby

rake-compiler

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

rand

A Ruby library for picking random elements and shuffling.

rbbr

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

rbtree

Ruby/RBTree module.

rcairo

Ruby bindings for cairo

rcov

A ruby code coverage analysis tool

rdoc

An extended version of the RDoc library from Ruby 1.8

rdtool

A multipurpose documentation format for Ruby

redcloth

A module for using Textile in Ruby

refe

ReFe is an interactive reference for Japanese Ruby manual

revolution

Ruby binding for the Evolution email client.

rexical

Rexical is a lexical scanner generator

rflickr

A Ruby implementation of the Flickr API.

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

rmagick

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

rr

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

rspec

A Behaviour Driven Development (BDD) framework for Ruby

rspec-rails

RSpec's official Ruby on Rails plugin

rubigen

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

ruby-activeldap

Ruby/ActiveLDAP provides an activerecord inspired object oriented interface to LDAP

ruby-atk

Ruby Atk bindings

ruby-augeas

Ruby bindings for Augeas

ruby-bdb

Ruby interface to Berkeley DB

ruby-breakpoint

An interactive debugging library

ruby-bsearch

A binary search library for Ruby

ruby-bz2

Ruby interface to libbz2

ruby-chasen

ChaSen module for Ruby

ruby-dbi

Ruby/DBI - a database independent interface for accessing databases - similar to Perl's DBI

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-fcgi

FastCGI library for Ruby

ruby-ferret

A ruby indexing/searching library

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-gdkpixbuf2

Ruby GdkPixbuf2 bindings

ruby-gettext

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

ruby-glib2

Ruby Glib2 bindings

ruby-gnome2

Ruby Gnome2 bindings

ruby-gnomecanvas2

Ruby GnomeCanvas2 bindings

ruby-gnomeprint

Ruby bindings for gnomeprint

ruby-gnomeprintui

Ruby bindings for gnomeprintui

ruby-gnomevfs

Ruby GnomeVFS bindings

ruby-gsl

Ruby wrapper for GNU Scientific Library

ruby-gstreamer

Ruby GStreamer bindings

ruby-gtk2

Ruby Gtk2 bindings

ruby-gtkglext

Ruby GtkGLExt bindings

ruby-gtkhtml2

Ruby GtkHtml2 bindings

ruby-gtkmozembed

Ruby/GTK bindings for Mozilla

ruby-gtksourceview

Ruby bindings for gtksourceview

ruby-hmac

A common interface to HMAC functionality as documented in RFC2104.

ruby-inifile

Small library to parse INI-files in Ruby

ruby-inline

Allows to embed C/C++ in Ruby code

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-libgda

Ruby libgda (GNOME-DB) bindings

ruby-libglade2

Ruby Libglade2 bindings

ruby-liquid

Template engine for Ruby

Ruby-MemCache

memcache bindings for Ruby

ruby-mp3info

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

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-opengl

OpenGL / GLUT bindings for ruby

ruby-openid

A robust library for verifying and serving OpenID identities

ruby-panel-applet2

Ruby Panel-applet bindings

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-postgres

An extension library to access a PostgreSQL database from Ruby

ruby-prof

A module for profiling Ruby code

ruby-progressbar

A Text Progress Bar Library for Ruby

ruby-romkan

A Romaji <-> Kana conversion library for Ruby

ruby-rrd

Simple RRDTool wrapper for Ruby

ruby-rsvg

Ruby bindings for librsvg

ruby-sdl

Ruby/SDL: Ruby bindings for SDL

ruby-serialport

a library for serial port (rs232) access in ruby

ruby-shadow

ruby shadow bindings

ruby-shout

A Ruby interface to libshout2

ruby-svg

Ruby SVG Generator

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-xlib

call Xlib functions from ruby

ruby-xslt

A Ruby class for processing XSLT

ruby-yadis

A ruby library for performing Yadis service discovery

ruby-zoom

A Ruby binding to the Z39.50 Object-Orientation Model (ZOOM)

ruby2ruby

Generates readable ruby from ParseTree

rubyfilter

A mail handling library for Ruby

rubyforge

Simplistic script which automates a limited set of rubyforge operations

rubygems

Centralized Ruby extension management system

rubymail

A mail handling library for Ruby

rubypants

A Ruby port of the SmartyPants PHP library.

rubytorrent

A pure-Ruby BitTorrent peer library and toolset

rubyzip

A ruby library for reading and writing zip files

ruby_parser

A ruby parser written in pure ruby.

samuel

An automatic logger for HTTP requests in Ruby.

sary-ruby

Ruby Binding of Sary

session

A set of classes to drive external programs via pipe

sexp-processor

Processor for s-expressions created as part of the ParseTree project.

shipping

An easy to use shipping API 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

simple-rss

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

sinatra

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

snmplib

SNMP library implemented in pure Ruby

sparklines

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

sqlite-ruby

An extension library to access a SQLite database from Ruby

sqlite3-ruby

An extension library to access a SQLite database from Ruby

stompserver

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

syntax

Syntax highlighting for sourcecode and HTML

tclink

Make-like scripting in Ruby

term-ansicolor

Small Ruby library that colors strings using ANSI escape sequences.

test-spec

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

test-unit

Nathaniel Talbott's originial test-unit

testunit-mock

Mock objects for Ruby's Test::Unit

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.

tidy_table

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

tmail

An email handling library

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)

twitter

Ruby wrapper around the Twitter API

tzinfo

Library to provide daylight-savings aware transformations between timezones

uconv

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

ultraviolet

A syntax highlighting engine based on Textpow

uuidtools

Simple library to generate UUIDs

vlad

Pragmatic application deployment automation, without mercy.

webmock

Allows stubbing HTTP requests and setting expectations on HTTP requests

webrat

Ruby acceptance testing for web applications

will_paginate

Most awesome pagination solution for Ruby

wirble

Wirble is a set of enhancements for Irb.

xml-mapping

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

xml-simple

Easy API to maintain XML. It is a Ruby port of Grant McLean's Perl module XML::Simple.

xmpp4r

An XMPP library for Ruby

yard

Documentation generation tool for the Ruby programming language

zentest

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

abstract

maruku

ruby-gnomeprintui

actionmailer

mash

ruby-gnomevfs

actionpack

matchy

ruby-gsl

actionwebservice

mecab-ruby

ruby-gstreamer

activerecord

mechanize

ruby-gtk2

activerecord-jdbc

mega-modules

ruby-gtkglext

activeresource

metaid

ruby-gtkhtml2

activesupport

mime-types

ruby-gtkmozembed

addressable

minitest

ruby-gtksourceview

adhearsion

mini_magick

ruby-hmac

allison

mkrf

ruby-inifile

amatch

mmap

ruby-inline

amrita

mocha

ruby-irc

amstd

mysql-ruby

ruby-ldap

archive-tar-minitar

nano-methods

ruby-libart2

arrayfields

narray

ruby-libgda

ascii85

ncurses-ruby

ruby-libglade2

autotest-rails

needle

ruby-liquid

aws-s3

net-dns

Ruby-MemCache

bacon

net-geoip

ruby-mp3info

bluecloth

net-scp

ruby-net-ldap

bones

net-sftp

ruby-oci8

bones-extras

net-ssh

ruby-odbc

builder

net-ssh-gateway

ruby-opengl

bundler

net-ssh-multi

ruby-openid

calendar_date_select

nimage

ruby-panel-applet2

camping

nokogiri

ruby-pango

canny

nora

ruby-password

capistrano

oauth

ruby-pcap

capistrano-launcher

oniguruma

ruby-poppler

cerberus

open4

ruby-postgres

cgikit

osmlib-base

ruby-prof

cgi_multipart_eof_fix

palmtree

ruby-progressbar

cmdparse

parsetree

ruby-romkan

coderay

pdf-inspector

ruby-rrd

color

pdf-reader

ruby-rsvg

color-tools

pdf-writer

ruby-sdl

columnize

pg

ruby-serialport

crack

piston

ruby-shadow

daemons

plist

ruby-shout

dbd-mysql

plruby

ruby-svg

dbd-odbc

png

ruby-taglib

dbd-pg

podcast

ruby-tcpwrap

dbd-sqlite

polyglot

ruby-termios

dbd-sqlite3

prawn

ruby-vte

deprecated

prawn-core

ruby-xlib

diff

prawn-layout

ruby-xslt

diff-lcs

prawn-security

ruby-yadis

dust

programming-ruby

ruby-zoom

echoe

quixml

ruby2ruby

eruby

racc

rubyfilter

eventmachine

rack

rubyforge

exifr

rack-test

rubygems

extensions

radiant

rubymail

facets

radius

rubypants

facter

rails

rubytorrent

fakefs

rake

rubyzip

fakeweb

rake-compiler

ruby_parser

fastercsv

rand

samuel

fastthread

rbbr

sary-ruby

fattr

rbtree

session

ffi

rcairo

sexp-processor

flexmock

rcov

shipping

flickr

rdoc

shorturl

fusefs

rdtool

shotgun

fxruby

redcloth

shoulda

gemcutter

refe

simple-rss

gem_plugin

revolution

sinatra

gettext_activerecord

rexical

snmplib

gettext_rails

rflickr

sparklines

gnuplot

right_aws

sqlite-ruby

gruff

right_http_connection

sqlite3-ruby

haml

rmagick

stompserver

hashie

rr

syntax

heckle

rspec

tclink

highline

rspec-rails

term-ansicolor

hoe

rubigen

test-spec

hoe-seattlerb

ruby-activeldap

test-unit

hpricot

ruby-atk

testunit-mock

htmlentities

ruby-augeas

text-format

httparty

ruby-bdb

text-hyphen

httpclient

ruby-breakpoint

textpow

i18n

ruby-bsearch

tidy_table

IceRuby

ruby-bz2

tmail

id3lib-ruby

ruby-chasen

transaction-simple

imagesize

ruby-dbi

treetop

imlib2-ruby

ruby-debug

ttfunk

IO-Reactor

ruby-debug-base

twitter

jabber4r

ruby-dict

tzinfo

jruby-debug-base

ruby-eb

uconv

jruby-openssl

ruby-fcgi

ultraviolet

json

ruby-ferret

uuidtools

kirbybase

ruby-filemagic

vlad

libxml

ruby-freedb

webmock

linecache

ruby-gconf2

webrat

little-plugger

ruby-gd

will_paginate

locale

ruby-gdkpixbuf2

wirble

locale_rails

ruby-gettext

xml-mapping

log4r

ruby-glib2

xml-simple

loquacious

ruby-gnome2

xmpp4r

main

ruby-gnomecanvas2

yard

markaby

ruby-gnomeprint

zentest