10 principais html.am concorrentes

w3schools.com

W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.

codepen.io

build, share, and learn javascript, css, and html with our online code editor. discover web applications and hire talent from the world’s largest community of front end developers and designers.

getbootstrap.com

Track and review changes to the Bootstrap source files, documentation, and components to help you migrate from v4 to v5.

fontawesome.com

The internet's icon library + toolkit. Used by millions of designers, devs, & content creators. Open-source. Always free. Always awesome.

developer.mozilla.org

The MDN Web Docs site provides information about Open Web technologies including HTML, CSS, and APIs for both Web sites and progressive web apps.

replit.com

Replit is an AI-driven software creation platform where everyone can build, share, and ship apps and websites, fast.

github.com

Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.

htmlcolorcodes.com

使用我们的色轮创建完美调色板。选择一个基础色，探索和谐配色，提升您的设计。

quackit.com

free web development/design tutorials. includes css, javascript, ajax, coldfusion, and html tutorials, code examples, layout help and references. complete list of html tags and css properties. also contains resources and background overview of xml, asp, xhtml, sql, sql server, databases and more.

webcode.tools

award-winning, free website code generators. generate html, css, structured data, twitter cards, open graph and more.