Calculate the horoscope of a person given the birth date and time

kindai.rb is kindai digital library downloader.

Generate thumbnail versions of image files

A Ruby library for generating identicon. https://github.com/swdyh/quilt

A simple OMR tool

Create ascii art quine from image file

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, ActiveExpansions' dsl creates ActionView::Helpers::AssetTagHelper javascript and stylesheet expansions, and adds additional features

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 types of processing. Errors are carefully handled to minimize the possibility of broken uploads leaving incomplete or corrupt data. RMagick, MiniMagick, and ImageScience image processors are supported.

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

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.