Lets you do cohort analysis based on two strategies: "big", which discards characteristics for the maximum cohort result, and "strict", which discards characteristics in order until a minimum cohort size is reached.

Filter objects for collections

Multi-tenancy with Comable using the Apartment gem

Interface to ComicVine API

Allows saving of comicvine resources to a Mongodb using Mongoid

assertion with test unit or rspec

The tasks for assets managment with compass

Condenser is a Rack-based asset packaging system that concatenates and serves JavaScript, CSS, Sass, and SCSS.

Condenser integration for Rails

ConditionalValidation simplifies adding validation flags and then querying state to determine when associated validations should be run on models.

Use Case: RBAC (Role-Based Access Control), security for API Server and any scenario that need fine-grained or flexible access control

conversation_forms allows you to create a form that runs as a chat conversation for the ultimate user experience

A Ruby library to handle client-side HTTP cookies

Useful ruby code with no dependencies.

Ruby gem for coordinating multiple redis queues

A simple distributed version control system written in Ruby.

Like plumbum...for Ruby...with native Ruby streaming interop.

Collection of simple Ruby core extensions.

A collection of tools for Ruby

Gem to calculate Correios' freight values for multiple items