Bitmap generator (bitmap as in BMP image, not bitmap bitset)

A gem for generating brazilian 'boletos'

Brazilian Fiscal Documents PDF generator

Generates barcodes for Rails ActiveRecord models.

Print text and images to a Brother label printer with ESC/P.

Browsery is a browser automation test framework

A small VHS-inspired browser recorder driven by .tape files.

In mathematics, Arnold's cat map is a chaotic map from the torus into itself, named after Vladimir Arnold, who demonstrated its effects in the 1960s using an image of a cat, hence the name.

Turn chess boards into PNG images

Fetch favicons

This library is an add-on for ChunkyPNG. It contains pure Ruby implementations of image processing algorithms that are out of scope for ChunkyPNG itself. This gem is mostly meant as a learning tool. Feel free to fork this project to add new algorithms, even if you do not consider yourself an expert on the topic.

Support to search subimages for ChunkyPNG - fast with ruby extension

chunky_text is a gem for writing vector text over png images (depends on chunky_png). Actually it's possible to write a single line of text of any size and color. Accented italian/english chars, uppercase and lowercase, special charactes in a default font are included. *MBCRAFT di Marco Bagnaresi*

Generate an icon of overlapping circles derived from a hash.

Clogs runs Shoes programs on plain CRuby using libui, a small cross-platform native widget library. It implements the Shoes drawing and layout model as a display service for Lacci, the display-independent half of Scarpe, so it needs neither a browser engine nor a JVM.

Ruby library to calculate the colorfulness of a ChunkyPNG Image

Visualize arbitrary files as PNG images

Compass is a Sass-based Stylesheet Framework that streamlines the creation and maintainance of CSS.

Compass is a Sass-based Stylesheet Framework that streamlines the creation and maintenance of CSS. This fork maintains compatibility with Sass 3.7.

Compass is a Sass-based Stylesheet Framework that streamlines the creation and maintenance of CSS. SCSS sourcemaps support fork.