Utility to calculate the contrast ratio between 2 colors, for checking the level of conformance to the WCAG 2.0 criteria. Hexadecimal notation, RGB/HSL/HWB functions are supported as input formats. And a command-line interface is provided for a demonstration purpose.

Processes, evaluates and compares 2 different CSS files based on their AST.

a (very) small library that counts selectors in a CSS file

Css Image Embedder puts your background files directly into corresponding CSS file. Thanks to that - your server needs to handle fewer requests and the page layout renders smoothly (whole stylesheet at once).

Provide an interface to lint css with CSSLint from ruby

A RubyGem packaging of the CSSLint code quality utility.

Inline CSS declarations into HTML element attributes.

Embeds images (or directories of images) directly into CSS via the Data URI scheme.

Filtering STDIN by CSS Selector

Merges many PNG images into a single image and generates a CSS stylesheet

Ultra-simple CSS parser.

ActiveModel Validation for CSS

Gain insights into how you have improved over time. Has graphs, histograms, and other fancy stuff!

Parse C structs into usable Ruby structs such as BinData

C style enum.

Convert csv file to xlsx file.

DSL to map a CSV to a Ruby Hash

A tiny gem to convert CSV files to other format with template

CSV to SQL conversion tool with user friendly CLI

Command line tool csv2qif