Here's a curated list of awesome light weight & modern JS frameworks that can be loaded through a CDN.

Note

The Author recommends using Vanilla JS over these libraries for smaller projects.

HTMX

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• CDN : https://unpkg.com/browse/htmx.org/dist/ (50KB)
• Access AJAX, CSS Transitions, WebSockets and Server Sent Events directly in HTML, using attributes.

Alpine

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• CDN : https://cdn.jsdelivr.net/npm/alpinejs/dist/cdn.min.js (44KB)
• A rugged, minimal framework for composing JavaScript behavior in your markup.

Datastar

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• CDN : https://cdn.jsdelivr.net/npm/@sudodevnull/datastar (43KB)
• Typescript library for making hypermedia systems, plugins work off of signals to make everything reactive and allow very fast interactions in very little code.

Van

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• CDN : https://cdn.jsdelivr.net/gh/vanjs-org/van/public/van-latest.min.js (2KB)
• Ultra-lightweight, zero-dependency, and unopinionated Reactive UI framework, feels like building React apps, without JSX.

Preact

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• CDN : https://unpkg.com/preact/dist/preact.js (12KB)
• Fast alternative to React with the same modern API.

Inferno

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• CDN : https://cdn.jsdelivr.net/npm/inferno/dist/inferno.min.js (24KB)
• An extremely fast, React-like JavaScript library for building modern user interfaces.

Mithril

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• CDN : https://unpkg.com/mithril (24KB)
• SPA framework with routing and XHR utilities out of the box.