Render QR codes from Rails as images or SVG.

An image file generator for QRCodes using RMagick

Provides some matchers for testing your image file.

A gem to replicate argument picture into various icon and mobile types, apple-touch-icon, *-precomposed, drawables-* type .png files

Display images on the commandline using blocks of color with true color support

Ruby Dzi slices images into several tiles and creates dzi descriptor file.

command line tools to read and modify PAGE xmls

A Ruby game engine using OpenGL and GLFW

Library for uploader file from Salebot.

* RDoc Documentation {available at Rubyforge}[http://carrierwave.rubyforge.org/rdoc]. * Source code {hosted at GitHub}[http://github.com/jnicklas/carrierwave] * Please {report any issues}[http://github.com/jnicklas/carrierwave/issues] on GitHub * Please direct any questions at the {mailing list}[...

A small tool which generates Sankey diagrams.

A small extension for SASS that generates images from icon fonts

A Ruby library to generate images of guitar, ukulele, mandolin or banjo scale diagrams

A very simple tool to index scanned documents in either PDF or image format

The Seadragon Gem provides everything you need to create and host your own Deep Zoom Images using the OpenSeadragon image viewer. It provides methods for generating descriptor files and tiles from an image and comes bundled with the required OpenSeadragon Javascript and assets for displaying view...

Take mad selfies!

A new ESST generator

'ulla' is a program for calculating environment-specific substitution tables from user providing environmental class definitions and sequence alignments with the annotations of the environment classes.

Senga draws lines. Simplest graphing library.

SequenceLogo is a tool for drawing sequence logos of motifs. It gets Positional Count Matrices(PCMs) or IUPAC sequences as input and generates png-logos for a motif. Also one can create logo for reverse complement or even generate logos for a whole collection of motifs. Sequence logos are a gra...