Retina Rails makes your application use high-resolution images by default. It automatically optimizes uploaded images (CarrierWave or Paperclip) for retina displays by making them twice the size and reducing the quality.

This gem makes Rails console sessions less dangerous in specified environments by warning, color-coding, auto-sandboxing, and allowing read-only external connections (disables job queueing, non-GET requests, etc.)

A smart sms verification tool

Common runtime helpers for Solidus extensions.

Mount Swagger UI web console as Rails engine, configure it as you want and write your API documentation in simple YAML files.

A Rails confirm replacement with SweetAlert

Tidewave for Rails

Take full control of the DOM with Turbo Streams

Take full control of the DOM with Turbo Streams

Turkee will help you to easily create usability studies, post HITs, and retrieve the user entered values from Mechanical Turk.

Shopify Experiments classes

Add a validation filter to your controller.

Abracadabra: The gem that swaps out text with a fully-compliant Rails form in one click using JQuery and rails.js.

Rails mail_to helper with encoding (removed from core in Rails 4.0)

Protect Rails applications against bots and brute force attacks without annoying humans.

Plugin for running methods on ActiveRecord models after record is committed

Define custom health checks for your app (as in: are there any new users in the past 24 hours) and see the results in a simple /healthcheck page that you can use to monitor your production app with UptimeRobot, Pingdom, or other monitoring services. It's also useful as a drop-in replacement for t...

animate.css for rails

Ships backbone and underscore to your Rails 3.1 application through the new asset pipeline. Rails 3.0 is supported via generators.

Bandit provides a way to do multi-armed bandit optimization of alternatives in a rails website