@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.
matter-js
a 2D rigid body physics engine for the web
proton-engine
Proton is a simple and powerful javascript particle animation engine.