Create system tests interactively.

Delocalize is a tool for parsing localized dates/times and numbers.

Prefixed IDs generates IDs with friendly prefixes for your models

Prototype, Scriptaculous, and RJS for Ruby on Rails

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.

A simple, extensible Rails forum

TabsOnRails is a simple Ruby on Rails plugin for creating tabs and navigation menu for a Rails project.

Adds multi themes support to your Rails 3/4 application

Fork heroku-deflater with fixes for custom cache expiration time setting

Flexible workflow gem.

Store difference kind of actions (Like, Follow, Star, Block ...) in one table via ActiveRecord Polymorphic Association.

NO cookies, NO JavaScript, NO third parties and NO bullshit.

ActiveStorage blob validator.

Barista provides simple, integrated support for CoffeeScript in Rack and Rails applications. Much like Compass does for Sass, It also provides Frameworks (bundleable code which can be shared via Gems). Lastly, it also provides a Rack Application (which can be used to server compiled code), a around_filter-style precompiler (as Rack middleware) and simple helpers for rails and Haml. For more details, please see the the README file bundled with it.

Simplifies using Chart.js in Rails

Creates a Rails 3 engine with Rakefile, Gemfile and running tests

A new style forum for tiny community as Rails Engine. You can mount this in you apps.

A live reloading system that updates just what's needed to offer a smooth experience.

Report key app statistics to the Librato Metrics service and easily track your own custom metrics.

Want to automatically detect mobile devices that access your Rails application? Mobile Fu allows you to do just that. People can access your site from a Palm, Blackberry, iPhone, iPad, Nokia, etc. and it will automatically adjust the format of the request from :html to :mobile.