tsParticles - Easily create highly customizable JavaScript particles effects, confetti explosions and fireworks animations and use them as animated backgrounds for your website. Ready to use components available for React.js, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Inferno, Solid, Riot and Web Components.
TermUI is a TypeScript/JavaScript framework for building terminal apps. Flexbox layout, JSX, hooks, global state, theming, animations, routing, and hot reload. No native dependencies.
Framer Motion for Svelte 5. Declarative motion.<tag> components with AnimatePresence exit animations, gestures (hover, tap, drag, focus, in-view), variants, FLIP layout animations, shared-layout transitions, spring physics, and scroll-linked motion values. The drop-in Framer Motion alternative for Svelte and SvelteKit.