css.gg : Minimalistic icon library Designed by code, Customizable & Retina-Ready icons — built 100% in pure CSS. Easy integration: Embed, NPM & API
emotion : emotion is a high performance, lightweight css-in-js library that supports both string and object based styles.
voxel.css : The goal of this project is to provide a lightweight 3D CSS library with very simple implementation.
css3-mediaqueries-js : make CSS3 Media Queries work in all browsers (JavaScript library)
Anime.js : Anime.js is a fast, multipurpose and lightweight JavaScript animation library with a simple, yet powerful API.
It works with CSS properties, SVG, DOM ...
