Accessing the Fishbans Minecraft API through HTTPClient. Has methods for all Fishban APIs, including the APIs for getting block, monster, and player images.

Triangular pixel effects on PNGs

Creates PNG images of complex plane fractals.

A library for creating fractals in the Ruby programming language.

A gem to create fractals

Ruby library for generating images from GeoJSON

Just because I can

Renewed ruby bindings for gnuplot. Started at GSoC 2015.

Use greyn to convert any PNG to 3 greyscale versions at once - Luma, RGB Average, and Light.

Happo, a perceptual diff tool for JS components

Visualise a Ruby heap dump output from ObjectSpace.dump_all

Build, minify, and deal with different platforms and environments for your HTML5 app. This is often used with PhoneGap but designed not to require it, and high_five can be used to deploy any kind of HTML/JS/CSS-based application that requires different deployment configurations.

Filter framework for ICAPrb-server. Does not work standalone. This gem includes a framework to create a content filter which allows to filter content instead of only the urls. It is extensible by plug ins. For example it can be used to enforce your companies network usage policies at the proxy.

ICO file format in Ruby

Generating an identicon for a Level.travel's task

Identiconify makes it super simple to generate identicons representing string values such as usernames or ip addresses.

An easy way to create your visual regression tests

This gem provides a simple api to compare 2 pngs and in case they are different, get the differences on a png file

Image comparison lib built on top of ChunkyPNG

Image filtering DSL including a CLI for running filters and ability to write kernals to a binary format that will can be used to run filters from the CLI, and potentially allow filters to be compatible with implementation in other languages.