HTTPie : HTTPie—aitch-tee-tee-pie—is a command line HTTP client with an intuitive UI, JSON support, syntax highlighting, wget-like downloads, plugins, and more
Caire : Caire is a content aware image resize library
📦 Parcel : Blazing fast, zero configuration web application bundler
stylelint : A mighty, modern CSS linter that helps you enforce consistent conventions and avoid errors in your stylesheets.
Autoprefixer : PostCSS plugin to parse CSS and add vendor prefixes to CSS rules using values from Can I Use.
PurgeCSS is a tool to remove unused CSS. It can be part of your development workflow.