An awesome, flexible, powerful, useful, tricky and liar Rails 3 recommendations engine.

DataMapper plugin providing support for aggregates on collections

DataMapper plugin constraining relationships

File attachments as attributes for DataMapper, based on the original Paperclip by Jon Yurek at Thoughtbot

DataMapper plugin for magical timestamps

Makes transaction support available for adapters that support them

Enwrite allows you to generate a website from content stored in Evernote.

gcm_on_rails is a Ruby on Rails gem that allows you to easily incorporate Google's 'Google Cloud Messaging for Android' into your Rails application. This gem was derived from c2dm_on_rails (https://github.com/pimeys/c2dm_on_rails) after Google deprecated C2...

Glimmer DSL for Web (Ruby in the Browser Web Frontend Framework) enables building Web Frontends using Ruby in the Browser, as per Matz's recommendation in his RubyConf 2022 keynote speech to replace JavaScript with Ruby. It aims at providing the simplest, most intuitive, most straight-forward, an...

Easily add autocomplete geo-functionality to your Rails app :)

Lets you read from the Google Contacts API. Posting to come later.

An EventMachine based S3 client

Includes a number of rspec matchers to make specing your locale files easy peasy.

Allows you to deep sort YAML files that are mainly composed of \ nested hashes and string values. Great to sort your rails I18n YAML files. You can easily add it to a textmate bundle, rake task, or just use the included regular comand line tool.

Infinity Test is a continuous testing library and a flexible alternative to Autotest, using Watchr library with RSpec, Test::Unit or Bacon with RVM funcionality, giving the possibility to test with all Rubies that you have in your RVM configuration.

A subset of the ISO spec implemented in ruby

Send emails, track statistics, and manage your subscriber base with ease.

Flexible querystring generator

a class to validate emails. it builded for rails

A simple Resque plugin that times and saves some simple metrics for Resque jobs back into redis. Based on this system you could build some simple auto-scaling mechanism based on the speed and ETA of queues. Also includes a hook/callback mechanism for recording/sending the metrics to your favorite...