It is desired to mask certain attributes of certain models by modifying the database.

Authentication for Rails applications

Adds email_token and email_token_updated_at columns. Works like Authlogic's perishable_token, but doesn't reset on every request. Designed primarily for verifying users' email addresses.

An opinionated almost-turnkey solution for managing authorization in Rails

Automatic Testing Tool

This gem uses PostgreSQLs hstore datatype and ActiveRecord models to translate model data. It is based on the gem hstore_translate by Rob Worely.

For handling all of the exceptions, states, timeouts, etc of batch processes

A mountable Rails engine to create a payment server that can handle the money in your Bitcoin ecosystem

Access controls for blacklight-based applications

The behavior switching framework

Eager loading and other ActiveRecord helpers for Blueprinter

Awesome replacement for factories and fixtures that focuses on being DRY and making developers type as little as possible.

Rails file manager engine

A mountable engine for bridge data storage, can either be used for direct database connection or as a localized data storage mechanism

An Engine tha use Warden and OAuth for authenticate users using a RESTful API

Imagine you have an Account model which has many transactions. calculable_attrs gem allows you to define Account#balance as SUM(transactions.amount) directly in your Account model. And solves n+1 problem for you in an elegant way.

Instructure-maintained fork of delayed_job

CarbonMU is a general-purpose, extendable MUD/MUSH server written in Ruby. CarbonMU is still under active development and not yet ready for general use.

Use Globalize to manage Carrierwave translated fields

MoIP integration with Catarse crowdfunding platform