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

A simple OMR tool

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

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.

Download and stitch google map tiles into a single image.

Handles TexturePacker format and makes it ready to use with Gosu

Mass geotagger using GPX files.

Moderated fields or whole model instances are serialized and saved into a separate moderations table. The moderation can then be accepted and the changes will be applied to the model. This way, lookups for existing, accepted fields or entries will be much faster than if using something like Paper...