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Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

Magic of CSS Adam Schwartz

Clippy CSS clip-path maker

HTML, CSS, and JavaScript Tutorials, References, and Articles | HTML Dog

HTML Notepad

HTML5 Sortable library

Learn to Code HTML & CSS

Customize any website in seconds with CSS. Amino is a compact and powerful browser extension that allows you to customize any website with CSS that persists. Use the editor to create your own website themes and skins.

Froala builds web editing software for fast development with better developer and user experience. Our HTML Editor is the building block for beautiful content.

Quickly design web layouts, and get HTML and CSS code. Learn CSS Grid visually and build web layouts with our interactive CSS Grid Generator.

Web developer tools

"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.

Responsive HTML5 and CSS3 site templates designed by @ajlkn and released under the Creative Commons license.

Froala's WYSIWYG Editor is a beautiful JavaScript web editor that's easy to integrate for developers and your users will fall in love with its clean design.

A modern and minimal CSS framework for terminal lovers.

CSS Code Golfing game is here!

CSS3 2D / 3D Transform Functions Visualizer and Playground

Create CSS

A modern CSS showcase styled by community contributions. Maintained by Stephanie Eckles (@5t3ph) of ModernCSS.dev.

A demonstration of what can be accomplished visually through CSS-based design.

A collection of code snippets for web developers, including code for HTML, CSS, JavaScript, PHP, WordPress, jQuery, HTAccess, and more!

Fromdev Tools Website

This tool can extract hypertext links from an HTML page source.

Raindrop.io only support Netscape HTML import files. This tool let you convert CSV files to required format. Just upload import file here and after a moment you will get a bookmarks html file.

DocToolHub is a curated directory of 600+ tools and resources for technical documentation. All in one place.

We create tailored online databases and applications in our modern and powerful 4GL-System.