A fully featured and advanced HTML5 WYSIWYG editor written in CoffeeScript on top of the Rails 3.1 asset stack

Remotipart is a Ruby on Rails gem enabling remote multipart forms (AJAX style file uploads) with jquery-rails. This gem augments the native Rails 3 jQuery-UJS remote form function enabling asynchronous file uploads with little to no modification to your application.

Set of addons to help with the activeadmin ui

CommunityEngine is a free, open-source social network platform for Ruby on Rails applications. Drop it into your new or existing application, and you’ll instantly have all the features of a basic community site.

BrowserCMS is a general purpose, open source Web Content Management System (CMS) that supports Ruby on Rails v3.2. It can be used as a standalone CMS, added to existing Rails projects or extended using Rails Engines.

Process your Paperclip attachments in the background with ActiveJob

Rich is an opinionated WYSIWYG editor for Rails based on CKEditor.

a module for streaming dynamically generated zip files

Add width, height and size methods to paperclip images

Audio/Video Transcoder for Paperclip using FFMPEG/Avconv

Add width, height and size methods to paperclip thumbnails, with SWF support

OpenConferenceWare is an open source web application for events and conferences. This customizable, general-purpose platform provides proposals, sessions, schedules, tracks and more.

An easy extension for Paperclip to crop your image uploads using jCrop

paperclip-optimizer is a Paperclip processor for optimizing and minifying uploaded images.

Comprehensive import/export tools between Excel/CSV & ActiveRecord Databases, Rails apps, and any Ruby project.

Process your attachments with FFMPEG

To have all your data in one place: the database

CMS built on rails with love.

Extends Paperclip with Dropbox storage.

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.