Cascading binding sheets. Reactive UI without the complexity of SPA frameworks. Use any backend you like; bind to the HTML you already produced.

petite-vue is an alternative distribution of Vue optimized for progressive enhancement. It provides the same template syntax and reactivity mental model with standard Vue. However, it is specifically optimized for "sprinkling" small amount of interactions on an existing HTML page rendered by a server framework.

Anime.js is a lightweight JavaScript animation library with a simple, yet powerful API. It works with CSS properties, SVG, DOM attributes and JavaScript Objects.