Font icons and SVG resources to add vector icons to pages

Image processing: optimization, recognition...

Tables used to visualize data

Open source alternative to popular solutions that can be hosted on one's infrastructure, this new tag is experimental as Best of JS does not aim to provide an exhaustive list of self-hosted solutions, please consider projects like https://github.com/awesome-selfhosted/awesome-selfhosted

Support for RSC (React Server Components)

Librairies to create HTML5 games in the browser.

Languages that compile to JavaScript

Tools to help with accessibility concerns

Tools that handle JavaScript modules (CommonJS and ES6 modules) in order to build JavaScript files consumed by web applications

Libraries and component to view images (including lightbox components)

JavaScript runtime engines and plaforms