Best rails admin panel. Great mechanism for customization and rapid development

Image processing via MiniMagick for Refile

Open source Ruby on Rails photo gallery engine designed for integration with Refinery CMS.

Extends Watir to take stitched-together screenshots of full web pages.

Simple and real-life tested Rails::Engine admin interface

Lolcommits refactored for use at the UIUC branch of ACM.

Converts ActiveAdmin into a simple CMS

A Railtie that provides an asset management system for css, javascript, and sprites in your Rails applications and engines. ActiveAssets includes two libraries, ActiveExpansions and ActiveSprites. ActiveSprites generates sprites defined by a dsl similar to a route definition. Similarly, ActiveExpansions' dsl creates ActionView::Helpers::AssetTagHelper javascript and stylesheet expansions, and adds additional features

Gem that focus on making a public site's resources very quickly while being very configurable!, supports facebook sharing, instagram and google analytics integration

This plugin implements attachment storage and processing, integrated with ActiveRecord models and Ruby CGI/Rails-style uploads. Image processing operations including a number of different resizing & thumbnailing modes are provided, and the architecture simplifies clean implementation of other types of processing. Errors are carefully handled to minimize the possibility of broken uploads leaving incomplete or corrupt data. RMagick, MiniMagick, and ImageScience image processors are supported.

An engine for search-engine-optimized blog management.

Simply optimize CarrierWave images via image_optim

ComfortableMediaSurfer is a powerful Rails 7.0+ CMS Engine

Manage an image and all of its variations and xmp metadata in a single document.

Run your own business.

Image regression wrapper for Capybara and RSpec using imagemagick supporting both MRI and JRuby versions which supports snap shoting both full page andspecific elements on a page where text checks isn't enough

Upload images and files directly to AWS S3 with a custom form input then seamlessly organize and attach them to any ActiveRecord object.

Create images combining app screenshots with templates to make nice pictures for the App Store

Overlay build information on top of your app icon

FaviconFactory generates from an SVG the minimal set of icons needed by modern browsers.