Rambulance provides a simple and safe way to dynamically generate error pages.

Define dependency graphs of Sidekiq jobs

Create temporary table-backed ActiveRecord models for use in tests

ach is a Ruby helper for building and parsing ACH files. In particular, it helps with field order and alignment, and adds padding lines to end of file.

Crummy is a simple and tasty way to add breadcrumbs to your Rails applications.

Makes integrating filepicker.io with rails 4 easy

A good, simple, solid tagging extension for ActiveRecord

Represent use cases in a simple and powerful way while writing modular, expressive and sequentially logical code.

Add a blog to your Rails application in minutes with this mountable Rails Engine

Convenient Rails support for Cells.

A Chargify API wrapper for Ruby using ActiveResource

Godmin is an admin framework for Rails 5+. Use it to build dedicated admin sections for your apps, or stand alone admin apps such as internal tools.

Adds zipcode validation methods to ActiveModel considering different country zipcode formats.

Add social network friendship features to your Active Record models.

Migrate large tables without downtime by copying to a temporary table in chunks. The old table is not dropped. Instead, it is moved to timestamp_table_name for verification.

Translate your apps with pleasure (sort of...) and for free. It's simple i18n web interface, build on top of twitter bootstrap, that one may find helpful in translating app by non-technicals.

Run minitest suites after your Chef recipes to check the status of your system.

The minitest-spec-rails gem makes it easy to use the MiniTest::Spec DSL within your existing Rails 3 or 4 test suite.

Out of the box, Rails will render templates in a controller context only. This gem allows for calling "render" from anywhere: models, background jobs, rake tasks, you name it.

Asset path helpers for Sprockets 2.x & 3.x applications