PostHTML is a tool to transform HTML/XML with JS plugins
Classic modular front-end UI framework
The static code analysis tool you need for your HTML
Home of the MDN live code editor interactive examples
A JS-independent, tree-shakeable CSS framework
Everything you wish the HTML <select> element could do
Front-end framework with a built-in dark mode
An enhanced HTML 5 file input for Bootstrap 5.x/4.x./3.x
Bring data to life with SVG, Canvas and HTML
Responsive images in the browser, simplified
Generate critical CSS for your web pages
Develop more, Code less. Propeller is a front-end responsive framework
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Free Dashboard Theme Built On Bootstrap 4 | HTML Version
Filter and sort layouts
Converts HTML strings directly into React components
Remove unused CSS. Also works with single-page apps
Lightweight framework for old-school RPG GUI in web!
A jQuery plugin that enables HTML5 placeholder behavior for browsers
The open source embeddable online markdown editor (component)
Flat UI KIT based on Bootstrap 3.3.0 CSS framework