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.

Compress image and indicates compressed.

An attempt at gravatar/identicon style images using strings in ruby

Rubygem used to generate badges for Inch

An opinionated modern, responsive HTML email generator with integrated helpers, versioning, live previews, minification and testing.

Jazzicon is a Ruby implementation of the javascript Jazzicon identicon generator (https://github.com/danfinlay/jazzicon).

Jsong is an encoder for the popular JSON-G format written in Ruby.

Netverify is a customer-friendly technology that utilizes computer vision technology to collect and validate customer personal data (PII).

A library for generating mazes inspired by "Mazes for Programmers" by Jamis Buck and "Think Labyrinth!" by Walter Pullen.

DOM Mapping

Likadan, a perceptual diff tool for JS components

HTML5 Application Assembler

Description

In case there is a need to pre-render MathJax expressions or insert as images

convenient and simplistic image gallery for middleman

A collection of preprocessors for frontend development