Retrieves palette of main colors, merging similar colors using Lab color space.

An extension of Prawn that improves the performance when embedding PNG images containing an alpha channel

Skyline is an extremely flexible and expandable open source content management system. Its feature rich interface allows for fast and intuitive management of websites.

A barcode and QR code library that works with regular Ruby (not just JRuby). This gem comes bundled with ZXing C++ (zxing-cpp) and interfaces with it using FFI. As such this gem works with most major Ruby distributions.

A barcode and QR code library that works with regular Ruby (not just JRuby). This gem comes bundled with ZXing C++ (zxing-cpp) and interfaces with it using FFI. As such this gem works with most major Ruby distributions. Modified to not require CMake as a build dependency.

An extension of Prawn that improves the performance when embedding PNG images containing an alpha channel

Tile images for deep-zoom.

Mayu Live is a live updating server side VirtualDOM framework for Ruby, inspired by modern frontend tools that exist in the JavaScript ecosystem.

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Capture Screenshots on Windows with Ruby

risu is a Nessus .nessus XML parser and report generation tool

Removes stamps and watermarks from scanned images for OCR, 'removes specks'

Converts Word docx files into html or LaTeX via the kramdown syntax. It supports Word's most common paragraph, character and mixed styles (Title, Heading, Strong, Quote), footnotes, line breaks, page breaks, non-breaking spaces and images with captions. The output is in kramdown syntax (see http://kramdown.gettalong.org/) which can be converted into beautiful html and LaTex code.

Generates Sass-based Ext themes. Includes methods for colorizing themes.

Generate thumbnail versions of image files

A simple OMR tool

A Ruby gem to convert images into ASCII for your awesome command-line applications

Backlog is a tool to help you collect and organize all your tasks, whether you are a single person or a small or large group. A time keeping module is also included to track time spent on the different tasks.

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.

STEEM centric Discord bot.