Rails N+1 queries auto-detection with zero false positives / false negatives

Desktop automation library for Ruby

A ruby gem to perform color conversions

RSpec matchers to check when ActiveRecord objects are created/updated/destroyed

The tool to avoid various issues due to inconsistencies and inefficiencies between a database schema and application models.

The ultimate DRY and fast solution to managing any kind of test data. Based on Blueprints.

2D game development library for Ruby and C++

The wise choice for Ruby memoization

Feature-rich testing framework for Crystal inspired by RSpec.

Crystal bindings to SFML multimedia/game library

Ruby ♥︎ JavaScript

Compose your business logic into commands that sanitize and validate input.

Generic hooks with callbacks for Ruby.

An implementation of the idiom introduced by decent_exposure for concisely declaring resources in Rails controllers and views.

Simple enum-like field support for ActiveRecord (including validations and i18n)

JSON builder

Simple Config is a plugin designed to make application-wide configuration settings easy to set and access in an object-oriented fashion.

Make your Mongoid model acts as a list

Dynamic nested forms using jQuery made easy; works with formtastic, simple_form or default forms

A fake filesystem. Use it in your tests.

Dynamic nested forms using jQuery made easy; works with formtastic, simple_form or default forms

Strategies for cleaning databases in Ruby. Can be used to ensure a clean state for testing.

全角単位で validates_length_of を実行する Rails プラグイン

全角単位で validates_length_of を実行する Rails プラグイン

Generic hooks with callbacks for Ruby.

Make your Mongoid model acts as a list

An implementation of the idiom introduced by decent_exposure for concisely declaring resources in Rails controllers and views.

Puyo pop clone

TODO: one-line summary of your gem