Picturesque exposes a simple API for resizing images

A visual regression utility with options to do single and bulk operations both manually and integrable with Selenium automated tests in Ruby.

Self-customized CMS Engine

Postablr a mountable blog engine similar with focus on tumblr entries style

A static site generator that supports code, photos and files.

Simple and flexible Ruby On Rails Ecomerce engine

Prawn-qr is a prawn extension for creating QR Codes inside of a prawn document

Prestashop WebService API library

Process images with one simple command

This gem obfuscates images.

generate image previews (thumbnails) in Ruby

Core engine for the Publify blogging system, formerly known as Typo.

Upload files to Rackspace Cloud or Amazon S3 by URL or file with automatic image resizing.

Qbrick is a Rails engine that offers a simple CMS.

Creates QR code files in png, bmp, png, jpg, tif and svg file format. This is fork of sam vincent rqrcode-rails3

This should probably never be used for anything but learning.

Rack middleware for resizing images served via Rack::GridFS

qiniutek.com image resize service mocker

Raddar is a Rails Engine that helps you to quickly start building apps that behave like communities. This gem powers up your app with a complete user management suite and administrative tools.

Rapid Application Development Kit for Rad Framework