A tool to extract and zip the images off of a 4chan thread.

image magnifier

Create a set of images for a blog gallery.

Get image urls from mangareader(http://www.mangareader.net)

Automate RubyMotion launch images

Apply simple edits to images

Graphics utilities for NIS images

Poleica can convert docs and images to PDF and PNG, it can be extended to handle a lot of converters

This simple program compares two 'png' images, says whether they are different or not and outputs a difference file. Please see '/lib/png_comparison.rb' file or run 'rdoc' for this gem for more details.

Pure ruby library for converting png images to json.

Onyx(Image search service) client

image upload proxy for YoruFukurou. since non tested, it might have some problems.

Explicit image processing based on Dragonfly with Paperclip compatibility.

Makes manipulating images from 1 line of code easier.

Detect lines in an image

PicPacPut - Bulk shrink images and pack them.

Picturesque exposes a simple API for resizing images

Send a random image via email

A lightweight gem to facilitate use of image placeholders from placehold.it

A simple placeholder image generator