Fleximage is a Rails plugin that tries to make image uploading and rendering super easy.

Captcha-Plugin for Rails

Captcha-Plugin for Rails

A command line tool to turn images into ASCII art

Avatarly is a simple gem for Ruby that creates gmail-like avatars with initials, inspired by avatar-generator by johnnyhalife. See homepage for more information.

Retina Rails makes your application use high-resolution images by default. It automatically optimizes uploaded images (CarrierWave or Paperclip) for retina displays by making them twice the size and reducing the quality.

Worldize allows to draw world countries coloured on base of some numeric value for each country.

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Adds VIPS support to CarrierWave

A command-line tool for creating animated GIFs.

Fast and precise time zone by geo coordinates lookup

Jcrop plugin for ActiveAdmin, enable image cropping solution on image fields

Locally generate two-caption 'Advice Dog'-style meme images

Automatic Retina Image Handling

Collection of tools that make printing of plain text and images to one or many serial thermal printers easy. USB, serial (RS232) and TCP/IP printers are supported. Escper is useful for Ruby based Point of Sale systems that want to print receipts or tickets, but also suitable for stand-alone appli...

This Jekyll plugin makes it very easy to send larger images to devices with high pixel densities. The plugin adds an `image_tag` Liquid tag that can be used like this: {% image_tag src="/image.png" width="100" %}

Simple, pure-ruby library for making pretty Wordle-like clouds. It uses RMagick as graphic backend.

Turn an image into an X,Y tile set for use with JS mapping libraries

A sprite generation tool

Turn an image into an X,Y tile set for use with JS mapping libraries