goblins - generate your own 24×24 goblins or 20×20 lil'goblins (pixel) monster avatar images (off-blockchain) from text attributes (via built-in spritesheets); incl. 2x/4x/8x zoom for bigger sizes and more

SexItUp allows for the easy drop-in of public domain images for site mockups and user avatars.

Because every time I create a new webapp, I think about how I should process user-generated content. Should convert urls to links and images? Should I allow certain tags? Should I convert all new lines to *br* tags? Well, now all that is as simple as calling a single method.

Easily extract the colors of any image file!

Extracts content like title, summary, and images from web pages like Dracula extracts blood: with care and finesse.

AYLIEN Text Analysis API is a package of Natural Language Processing and Machine Learning-powered tools for analyzing and extracting various kinds of information from text and images.

A tool for generating Chinese charater stamp image.

dHash and IDHash perceptual image hashing/fingerprinting

Unofficial wrapper for the Sightengine API which provides image moderation including nudity detection, scammer detection, face attributes, and more.

Gem that includes Tinycon (A small library for manipulating the favicon, in particular adding alert bubbles and changing images.)

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

Ruby's GC doesn't care about memory usage of external libraries. It means that Ruby's GC isn't run when extension library uses huge memories in external libraries. For example, Ruby's GC isn't run when you open many images by the extension library.

cli tool that download images from olympus camera

Load Docker images into Vagrant machines

Gem to generate random popular Dad Jokes. Features include: Generating jokes, Search for jokes, Save a random joke as image (as .png), etc

In mathematics, Arnold's cat map is a chaotic map from the torus into itself, named after Vladimir Arnold, who demonstrated its effects in the 1960s using an image of a cat, hence the name.

OnLooker is a simple rails plugin that lets a user check the status of his or her website or server. OnLooker uses Ping's to check via TCP or HTTP whether the site, sites or servers that you specify are online and accessible. OnLooker also supports custom images to distinguish status.

Before/after image slider for spina CMS

This is a very simple gem to handle several IT-8951 based EPDs. It simply transfers image data, and update EPD screen of specific area.

Jammit is an industrial strength asset packaging library for Rails, providing both the CSS and JavaScript concatenation and compression that you'd expect, as well as YUI Compressor and Closure Compiler compatibility, ahead-of-time gzipping, built-in JavaScript template support, an...