This is a Rails Engine for https://github.com/dobtco/formbuilder.

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

This Jekyll plugin makes it very easy to send larger images to devices with high pixel densities. The plugin adds an `image_tag` Liquid tag that can be used like this: {% image_tag src="/image.png" width="100" %}

Simple, pure-ruby library for making pretty Wordle-like clouds. It uses RMagick as graphic backend.

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

Turn an image into an X,Y tile set for use with JS mapping libraries

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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 sprite generation tool

Turn an image into an X,Y tile set for use with JS mapping libraries

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.

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

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.

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

Tile images for deep-zoom.

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

Generate thumbnail versions of image files