Allows you to create magic PNG images that display differently in the browser than in thumbnails.

Image comparison lib built on top of ChunkyPNG

Dynamic image generation for Compass using ChunkyPNG/PhantomJS.

Gem for placing and getting evercookie for rails application

QR code decoder in pure Ruby

Extend functionality for spree to give shop like ordering ability through admin end

Minify SVG assets, and optionally convert them to PNG for browser compatibility.

A ruby implementation of ESC/POS (thermal) printer image command specification.

A simple github-like identicons generator.

rQRCode is a library for encoding QR Codes. The simple interface allows you to create QR Code data structures ready to be displayed in the way you choose.

A set of bindings between Ruby and Mapnik. Supports many of the common uses for Mapnik, and one day, might support all of them. Rendering is available using the standard AGG library, or additionally via Cairo, if the rcairo gem is installed and Mapnik has been compiled with Cairo support.

A library which implements the client VNC protocol to control VNC servers.

Library used to deal with colors and images

CSS-Spriter is a pure ruby PNG spriting library. It can be used standalone or as a Rails plugin, see the readme for details.

Nice class method wrapper for Barby

Library to deserialize Unity assetbundles and assets.

pixelart - yes, you can! generate your own pixel art images (off-blockchain) using any design (in ascii text) in any colors; incl. 2x/4x/8x zoom for bigger sizes

a sass port of the noisy js plugin as a compass extension that creates backgrond noise images as base64 data URIs

Ruby interface to the Tableau API.

Extend Watir to be able to screenshot any element