An easy extension for Paperclip to crop your image uploads using jCrop

Prototype, Scriptaculous, and RJS for Ruby on Rails

[](http://travis-ci.org/estately/rets) A pure-ruby library for fetching data from [RETS] servers. If you're looking for a slick CLI interface check out [retscli](https://github.com/summera/retscli), which is an awesome tool for exploring metadata or learning about RETS. [RETS]: http://www.rets.org

The Spreedly gem provides a convenient Ruby wrapper for the Spreedly API.

Tarantula is a big fuzzy spider. It crawls your Rails 2.3 and 3.x applications, fuzzing data to see what breaks.

Call javascript code and manipulate javascript objects from ruby. Call ruby code and manipulate ruby objects from javascript.

Integrates Disqus into your Ruby-powered site. Works with any Ruby website, and has view helpers for Rails and Merb.

A collection of git utilities to ease integration with Pivotal Tracker

git_remote_branch is a learning tool to ease the interaction with remote branches in simple situations.

OpenID Connect Strategy for OmniAuth

API Bindings for OpenStack.

Generated scopes for ActiveRecord classes.

If you need to do read and write binary data, there is of course <Array::pack and String::unpack\n The packable library makes (un)packing nicer, smarter and more powerful.\n

Static analysis Lint-type tool to improve your OO Ruby code

This gem is deprecated in favor of train.

[](http://travis-ci.org/estately/rets) A pure-ruby library for fetching data from [RETS] servers. [RETS]: http://www.rets.org

Create and modify virtual machines in VirtualBox using pure ruby

Enables Ruby based applications to communicate with the Xero API

Framework and tools for dealing with shipping, tracking and order fulfillment services.

Ruby wrapper for pygmentize.