Tonic is a component framework that takes this minimal yet elegant approach and works perfectly with Jamstack, as it doesn’t use virtual DOM and is server-side rendered by default. It’s based on web components and can be used out of the box without a build tool.

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Primer CSS is a CSS framework built by Github. It provided several ready mae components like breadcrumb, buttons, navigation pagination ... Their approach to CSS is influenced by Object Oriented CSS principles, functional CSS, and BEM architecture.

piecesjs is a simple and lightweight front-end framework that aims to make native web components accessible, with several utilities and tools for website and app development. Like modern frameworks, it dynamically imports the JS and CSS that the page needs, for better optimization. Without being limited to a big headless infrastructure.