Guilherme Cirne

mongoid_identity_map. Simple and transparent IdentityMap implementation for Mongoid.

will_paginate. Most awesome pagination solution for Ruby

auto_html. Rails plugin for transforming URLs to appropriate resource (image, link, YouTube, Vimeo video,...)

rack-contrib. Contributed Rack Middleware and Utilities

cookbook-elasticsearch. Chef cookbook for ElasticSearch

treetop. A Ruby-based parsing DSL based on parsing expression grammars.

workflow_on_mongoid. Use workflow with your Mongoid documents

polyglot. Augment 'require' to load non-ruby file types

bootstrap-notify. Bootstrap alert system made better, builds off of bootstrap-alert.js

jeweler. Simple and opinionated helper for creating and managing Rubygem projects on GitHub

simplecov. Code coverage for Ruby 1.9 with a powerful configuration library and automatic merging of coverage across test suites

dragonfly. An on-the-fly processing/encoding framework written as a Rack application.

simple_form. Forms made easy for Rails! It's tied to a simple DSL, with no opinion on markup.

webrat. Webrat - Ruby Acceptance Testing for Web applications

mongoid_rails_migrations. Data migrations for Mongoid.

rails_wip. Very crude (no, really, I mean very crude!) feature toggle for rails apps.

draper. Decorators/View-Models for Rails Applications