SDLRuby is a GEM that allows calling the SDL library from Ruby, enabling window creation, image display, audio playback, and more. It easily manages C pointers as Ruby objects, all written in 100% Ruby. Achieve multimedia programming simplicity.

Adds logic to crop images

Magick Minimalistic allows you to use some commands from the imagemagick's shell package with Ruby's hashes.

AWS Lambda powered drop-in replacement for ImageMagick convert command line tool

Generate a grid based heatmap from a 2d array using rmagick. Requires ImageMagick. Work in progress.

Ruby interface to use the Live Paper service by HP for creating watermarked images, mobile-friendly shortened URLs, and QR codes.

An extension to the flag image generator for United States Power Squadrons to generate burgees.

Jekyll plugin to generate CSS overrides based on Vibrant.js colors extracted from a given image

Wrapper for ImageMagick to provide vintage filter effects on photos.

Detect NSFW images quickly using a pre-trained model ported from nsfwjs

A simple gem for for generating Gravatar images and tags in a Rails environment.

PhantomGraph helps complex process to generate javascript charts to image or pdf without requesting or rendering view to the application. PhantomGraph is pure server-side process by using phantomjs and suitable for background process. It is lighweight solution for wkhtmltopdf alternative.

Display single or group images in a lightbox.

read exif of all the images in the directory and write them in a csv file.

Create Powerpoint presentations in Ruby with tables, images and charts.

ActsAsLink provides: verification if a link is broken; verification if a link is to an image; shortening links with bit.ly. Enjoy! ;)

Liquid filter to resize images

Create a pixel raster representation of an image (for educational purposes).

Generate uniquish images from a movie

Generates sass mixin and combines directory of images into one sprite