A Railtie that provides an asset management system for css, javascript, and sprites in your Rails applications and engines. ActiveAssets includes two libraries, ActiveExpansions and ActiveSprites. ActiveSprites generates sprites defined by a dsl similar to a route definition. Similarly, ActiveExp...

Programmatically generate beautiful header images for blogs or social media accounts.

Alula creates higly optimised static blogs while taking all the complexity and repeated tasks away from you.

Dead simple asset uploader attachments for your active record models

This plugin implements attachment storage and processing, integrated with ActiveRecord models and Ruby CGI/Rails-style uploads. Image processing operations including a number of different resizing & thumbnailing modes are provided, and the architecture simplifies clean implementation of other ty...

Barcodes is a RubyGem for creating and rendering common barcode symbologies.

Bizside is an utilities to assist building web application.

An engine for search-engine-optimized blog management.

Generates transparent PNG "bumpspark"-style sparklines. Use from Ruby directly or as a Rails helper generating an image tag w/ built-in data, as conceived by whytheluckystiff.

A Google-style captcha for enterprise Rails apps

Let Cezanne help you make sure your views look alright

Full-page screenshots for Chrome in Selenium WebDriver

A Gem that extracts some useful colors from an image

A Gem that extracts some useful colors from an image

Client library for ComicWalker

This gem can help you convert image or video became ASCII art in your terminal.

Rubyshop is an RMagick abstraction library to easily manipulate and composite images through the use of a canvas, layers, layer masks, adjustment layers, fill layers, and layer sets (much like in Photoshop)

STEEM centric Discord bot.

Epuber is simple tool to compile and pack source files into EPUB format.

Download and stitch google map tiles into a single image.