CSS Sprite Generator : This tool allows you to automate the process of generating CSS sprites. Simply give it a ZIP file containing 2 or more images (GIF, PNG or JPG) and it...
chezmoi : Manage your dotfiles across multiple diverse machines, securely.
docopt : Command-line interface description language
Sizzy : A tool for developing responsive websites crazy-fast.
Open sourced : https://github.com/kitze/sizzy
stylelint : A mighty, modern CSS linter that helps you enforce consistent conventions and avoid errors in your stylesheets.
PurgeCSS is a tool to remove unused CSS. It can be part of your development workflow.