Guard::Resque automatically starts/stops/restarts resque worker

Hipbot is a XMPP bot for HipChat, written in Ruby with EventMachine.

Command line builders and executors.

Mad Chatter is a fun, easy to customize chat server, utilizing HTML 5 Web Sockets

Mongoid MapReduce provides simple aggregation features for your Mongoid models

A gem for working with color palettes

Enhance your MOTD with useful at-a-glance information.

a library that can read structured and positional text from PDFs. Ideal for asembling structured data from invoices and the like.

Linkify issue numbers (#123) and github users (@gregbell) in markdown changelogs.

Power Types for Rails by Platanus

Simple activity feeds solution for Rails applications. Gives a flexible way to build activity feeds infrastructure over it.

NetDev Standard Library provides Puppet types to configure network devices

Racker allows for hierarchical template definitions for Packer.

Easily generate a Bootstrap navbar in your Rails app

Ruby gem to easily connect to Rancher API. Via this gem you can do anything that API lets you to do it

A Ruby wrapper for the Rdio API

TCP application host and proxy server

A simple library for communicating with the Robinhood API

Yet another Ruby wrapper for Robokassa API aimed to make Robokassa integration even more easier

ruby-wpdb gives you a painless way to access and interact with WordPress from Ruby, accessing posts, tags, and all other WordPress concepts as plain-old Ruby objects.