Carbon Design System is IBM’s open source design system for products and digital experiences. The system consists of working code, design tools and resources, human interface guidelines, and a vibrant community of contributors.
jQuery cForm replaces your standard, ugly form-elements with nice and clean non-form html code which can be styled via CSS. The original elements are retained, so you won't loose any form-element related functionality.
Dropy is a simple dropdown created by using SCSS and jQuery.