An earth-simulation environment with ActiveRecord models and data

The easiest way to create bookmarklets in your rails app.

Effective Email Templates provides an admin access to modify email templates

Quickly build an online store with carts, orders, automatic email receipts and payment collection via Stripe, StripeConnect, PayPal and Moneris.

Make any controller an effective resource controller.

Elasticrawl is a tool for launching AWS Elastic MapReduce jobs that process Common Crawl data.

Ensnare.

Simple enum fields for ActiveRecord

Enum Attributes Validation provides validation functionality for enum attributes in models.

Extends ActiveRecord with enumeration capabilites.

A simple plugin to handle, log, and customize production errors

Cache management for Rails

Use raw SQL to insert database records in bulk. Supports uniqueness constraints, timestamps, and checking for existing records.

A collection of extensions for a factbase, helping the judges of Zerocracy manipulate the facts and create new ones

FinePrint allows site admins to easily create, update and ask users to sign site agreements, keeping a record of when users signed a certain version of each agreement.

It provides an easier way to create denormalized records to be used for reporting, includes generation of migration file.

Run every test in a fork to avoid pollution and get clean output per test

View Photos and iPhoto libraries in your browser

Gamification is a collection of models for Ruby on Rails that allows you to make anything a game

Genealogy is a ruby gem library which extends ActiveRecord models in order to make its instances act as relatives so that you can build and query genealogies