nametrainer is a name learning trainer using the Qt GUI toolkit. It will assist you in learning people's names from a collection of images.

NwmlsClient Connects to the NWMLS Evernet Service and obtains listing data and 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

Provides bing image url for specfic search request

This module stores the image files in Redis

Split and fuse images for pano

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

Rank images on an HTML page for use as a thumbnail

This gem obfuscates images.

generate image previews (thumbnails) in Ruby