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

rqrcode is a library for encoding QR Codes. The simple interface allows you to create QR Code data structures and then render them in the way you choose.

An add-on converter for Asciidoctor that converts AsciiDoc documents to PDF using the Prawn PDF generation library.

This Ruby C extenstion defines a module that can be included into ChunkyPNG to improve its speed.

Combines individual images from a directory into a single sprite image file and creates an appropriate CSS stylesheet

Extract the dominant colors from an image.

Mittsu is a 3D Graphics Library for Ruby, based heavily on Three.js

Apparition is a driver for Capybara that allows you to run your tests on Chrome in a headless or headed manner

Glimmer DSL for LibUI (Fukuoka Award Winning Prerequisite-Free Ruby Desktop Development Cross-Platform Native GUI Library) - Winner of Fukuoka Ruby Award Competition 2022 Special Award (http://www.digitalfukuoka.jp/topics/187?locale=ja) - No need to pre-install any prerequisites. Just install the gem and have cross-platform native GUI that just works on Mac, Windows, and Linux! Glimmer DSL for LibUI aims to provide declarative DSL syntax that visually maps to GUI control hierarchy, convention over configuration via smart defaults, automation of low-level details, requiring the least amount of syntax possible to build GUI, bidirectional data-binding, custom control/window support, and application/gem/window/control scaffolding. If you liked Shoes, You'll love Glimmer!

A reimplementation of TensorFlow for ruby. This is a ground up implementation with no dependency on TensorFlow. Effort has been made to make the programming style as near to TensorFlow as possible, comes with a pure ruby evaluator by default as well with support for an opencl evaluator.

The Ruby binding of playwright driver 1.48.2

A ruby port of puppeteer

Glues rQRCode together with chunky_png

HTML5 Application Assembler

Behavior driven development (BDD) approach to write automation test script to test Web and Android applications.

Generate waveform images from audio files. Includes a Waveform class for generating waveforms in your code as well as a simple command-line program called 'waveform' for generating on the command line.

A Ruby implementation of go-identicon by Damian Gryski RubyIdenticon creates an identicon, similar to those created by Github. A title and key are used by siphash to calculate a hash value that is then used to create a visual identicon representation. The identicon is made by creating a left hand side pixel representation of each bit in the hash value, this is then mirrored onto the right hand side to create an image that we see as a shape. The grid and square sizes can be varied to create identicons of differing size.

SproutCore is a platform for building native look-and-feel applications on the web. This Ruby library includes a copy of the SproutCore JavaScript framework as well as a Ruby-based build system called Abbot.

Compass plugin for providing cross-browser compatible RGBA support by creating transparent PNGs on the fly for browsers that don't support RGBA. Uses the pure Ruby ChunkyPNG library for hassle free install and deployment.

Allows you to create magic PNG images that display differently in the browser than in thumbnails.