Render components in views or controller actions. Server-side rendering powered by ExecJS. Transform JSX in the asset pipeline or use Shakapacker.

The core of Refinery CMS. This handles the common functionality and is required by most extensions

A fully featured and advanced HTML5 WYSIWYG editor written in CoffeeScript on top of the Rails asset pipeline

Quickly setup backbone.js for use with rails 3.1 and above apps. Generators are provided to quickly get started.

Direct Upload to Amazon S3 With CORS and jquery-file-upload

Chosen is a javascript library of select box enhancer for jQuery and Protoype. This gem integrates Chosen with Rails asset pipeline for easy of use.

Application deployment software

Helper for add social share feature in your Rails app. Twitter, Facebook, Weibo, Douban, QQ, Tumblr ...

Monologue is a basic blogging engine. It is a Rails mountable engine so it can be mounted in any 4.0.X + apps

Browserify + Rails = CommonJS Heaven

A Rails-based frontend to the Resque job queue system.

Ruby on Rails data listing gem with built-in sorting, filtering and in-place editing.

A simple cms and blogging engine for rails apps.

Wiselinks makes following links and submitting some forms in your web application smarter and faster

Chanko is a Rails extension tool

a gem to help you select chinese area like province, city and district

SortableTree provides sorting of lists and hierarchies from ActiveAdmin index views.

LINES lets you manage your posts in a clear, consistent frontend. The gracefully slender editor keeps your editing simple and lets you just splash around in your ideas. Once you're happy, just hit publish and see your text, code examples, images, and links shine.

Rails gem for dynamically adding and removing nested has_many association fields in a form. Uses jQuery and supports multiple nesting levels. Requires Ruby 1.9+ and the asset pipeline.

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.