nwsapi
Fast CSS Selectors API Engine
modernizr
Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.
@tsparticles/engine
Easily create highly customizable particle, confetti and fireworks animations and use them as animated backgrounds for your website. Ready to use components available also for React, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Riot.js, Inferno.