Launch a landing page on Heroku in less than 10 minutes with JohnHenry. This gem sets up bootstrap and provides Bootstrapped user management pages with Devise. JohnHenry also includes a payment form that works with Stripe and is ready to go immediately.

Include the knockout.js and some of its extensions so you can pick what you need. Adds the support for models and interation with the Rails backend.

Lazybox is a jQuery-based, lightbox that can display entire remote pages, images and confirmation dialogs. Replace standard rails confirmations with lazybox just added several rows to your project. Use lazybox with rails assets pipeline.

For large or expensive pages, use this gem to load less critical portions of the page. Especially useful for large queries or content that's hidden from the user on load. The best solution may be to optimize your content, but there's not always time for that.

Prosperity easily lets you add a dashboard of arbitrary time series data to your rails app.

Villages (ភូមិ), Communes (ឃុំ - សង្កាត់), Districts (ស្រុក - ខណ្ឌ) and Provinces (ខេត្ត) in Cambodia

Easy to use integration of drag&drop files upload via dropzone.js for RailsAdmin

SlickGrid Integration for Rails 3.x

timelineJS resources files packaged for the Rails asset pieline

Ueditor is a WYSIWYG editor adapt to Chinese habits, this gem is a easy way to integrate with Rails

Rails adserver tool for selecting a smaller subset of banners from all possible banners with differing banner placement combinations. Gem includes admin tools for handling banners in live environment. Includes basic targeting, viewcount, frequency etc setups.

Loads page content into AJAX sections with AJAX links, handling the details for you, load content with javascript into designated page containers. Supports multiple and/or nested AJAX sections. Designed to be easy to use, customizable, supports browser history robustly, supports AJAX forms and has many more features. Degrades gracefully when javascript is disabled.

Almanac is the most elegant mountable blog engine that can be easily hooked up in the existing Rails application.

Bettertabs is a Rails 3.1+ engine that adds a helper and jQuery plugin to define the markup and behavior for a tabbed area in a easy and declarative way, using the appropiate JavaScript but ensuring accessibility and usability, no matter if the content is loaded statically, via ajax or just with links.

A modular CMS for Ruby on Rails 5 with an intuitive out-of-the-box interface to manage and customize components. Use Binda if you want to speed up your setup process and concentrate directly on what your application is about. Please read the documentation for more information and a quick start guide.

Carnival is an easy-to-use and extensible Rails Engine to speed the development of data management interfaces. When you use Carnival you can benefit from made features that are already done. If you need to change anything, you can write your own version of the method, using real Ruby code without worrying about the syntax of the engine.

clndr-rails easy way to display calendar in your Rails app

A is a simple gem for adding the CoreUI-Free admin template (by Łukasz Holeczek) to a Rails project's asset pipeline.

FinePrint allows site admins to easily create, update and ask users to sign site agreements, keeping a record of when users signed a certain version of each agreement.

Adds GPLv3 Portions of Kendo UI (http://kendoui.com) to javascripts and styles folders