Her is an ORM that maps REST resources and collections to Ruby objects

Ruby wrapper around C# Cat Engine

Modular implementation of ServiceObject pattern

Helps make complex forms

Catwalk is a gem for showing off models. It allows you to seperate presentation logic from data models.

Cave Forms encapsulate validation logic into an object with that single responsibility

cell_set is a ruby implementation of the CellSet and related models from mondrian.olap4j. The cell_set gem automatically mixes in a to_ruby method on Mondrian::OLAP::CellSet that can be called from the instance variable @raw_cell_set in an instance of Mondrian::OLAP::Result. Normally the to_rub...

Cells replace partials and helpers with OOP view models, giving you proper encapsulation, inheritance, testability and a cleaner view architecture.

Ruby gem for managing the core functions outlined in RFC-3280 for PKI

A simple, yet flexible solution to tracking changes made to objects in your database.

ActiveModel validator that acts like state machine

A character encoding validator for Rails. This is used to detect encoding errors.

Utilizes Chargify's REST API

Display cheat sheets for a variety of programs, tools and libraries, right on the command line.

Mongoid is an ODM (Object Document Mapper) Framework for MongoDB, written in Ruby.

Chimera is an object mapper for Riak and Redis. The idea is to mix the advantages of Riak (scalability, massive data storage) with Redis (atomicity, performance, data structures). You should store the bulk of your data in Riak, and then use Redis data structures where appropriate (for example, a ...

A payroll text file generator for China Bank

A library that provides a plain function-call interface to the Chino.io API web endpoints.

Circuit is a rack application middleware that enables dynamic request mapping. Modeled after [Rack::Builder](https://github.com/rack/rack/blob/master/lib/rack/builder.rb), Circuit provides for a tree of url-mappings that is walked at request time. If you are interested in dynamically loading mi...

Citrulu exposes an api for creating, editing and compiling test files (http://www.citrulu.com/api). This gem provides a wrapper around that api which allows you to work with TestFile objects locally.