Rails 3 helper number_to_currency_in_words that displays a currency amount in words (eg. 'one hundred dollars')

a wiki approach to structured data, dynamic interaction, and web design

Ductwork lets you build complex durable pipelines quickly and easily using intuitive Ruby tooling and a natural DSL.

Rails: Cached pages with updated partials

A secure version of Rails' built in CookieStore

Asset gem for es5-shim

Seamlessly integrates Aloha Editor into the Rails 3.2 (and upper) asset pipeline.

Easily test JSONAPIs and Graphiti Resources

Easily embed charts with Google Visualization API, using ruby formatted options in your view files

Monitor all aspects of your applications health.

Plug-in that provides I18n Inflector module integration with Rails.

JsonApi::Parameters allows you to easily translate JSON:API compliant parameters to a structure expected by Rails.

Engine for smoke tests and base classes

layzr-rails project integrates Layzr JS for Rails image_tag helpers

Seamlessly integrates Aloha Editor into the Rails 3.2 asset pipeline.

Better Stack Rails integration

Rails plugin, send and preview email with GOV.UK Notify

With Params validator oyu should be able to perform controller params validation easy and with any kind of type, format, or custom validation you already know and use in oyur models.

Minitest assertions for Pundit policies.

Intelligent caching, no observers necessary