simple-images-downloader allows to download images from a file containing list of urls to those images.

Extract Curves a simplistic GTK Ruby-based appliaction which can convert the raster image file result of a geometric-trace-producing process's interaction with the characteristic of motion of another (interesting) process into a list of rectangular coordinates (in raster image's system) represent...

From lazy loading, to inline image contents, to fetching unknown width and height, to next generation image formats, this gem aims to extend the default image_tag method to do more for static web pages.

PicasaPlucker downloads all images from a Picasa web album. Your friends use Picasa (http://picasaweb.google.com) but you don't, so you can't easily download all the images in their albums? PicasaPlucker fixes that. PicasaPlucker takes the URL of someone's Picasa album, and downloads all the or...

Extract Curves a simplistic GTK Ruby-based appliaction which can convert the raster image file result of a geometric-trace-producing process's interaction with the characteristic of motion of another (interesting) process into a list of rectangular coordinates (in raster image's system) represent...

Using LibVips to process images, Social::Images generates images for use on social media accounts using a simple API.

One important feature of DHTML is it's ability to move elements around the page freely, without having to be tied down to one single spot on the page. "Virtual Max" took full advantage of this feature and created his cool "floating images" script for our Dynamic Drive surfers to use and enjoy. It...

Why make the browser load images that the user isn't going to see? This Rails engine prevents images from loading until they're actually going to be displayed. This saves bandwidth, reduces server load, and helps the user stay under their data quota.

LINES lets you manage your posts in a clear, consistent frontend. The gracefully slender editor keeps your editing simple and lets you just splash around in your ideas. Once you're happy, just hit publish and see your text, code examples, images, and links shine.

This gem allows you to describe your images using ruby code. You can use rasem to draw complex images using small portions of ruby code

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

Official Image field plugin for Administrate

Automatic Lossless Reduction Of All Your Images

Add width, height and size methods to paperclip images

Multiple worksheets can be added to a workbook and formatting can be applied to cells. Text, numbers, formulas, hyperlinks and images can be written to the cells.

Simple image manipulation using Apple's Core Image technology. Scale, rotate, flip, convert, overlay, and more.

A high-resolution image is loaded when the retina_image_tag is called from a retina display

Fotofetch searches for and brings in images. Fotofetch searches for and brings in images. Fotofetch searches for and brings in images.

This Jekyll plugin adds a Liquid tag that helps using Cloudinary, a SaaS solution for images management and transformation. It helps using responsive images (picture, srcset, etc.) to optimize performance of websites.

Keystone Image overlays a semi-transparent wireframe/design image over everything in the web browser viewport. Handy when converting a PSD from a graphic designer into a webpage to ensure pixel perfect layouts.