Official guide/documentation redirect from W3C's old GitHub presence to the main W3C website documentation.

W3Schools is an online learning platform for web development and programming.

HTML5 UP provides 100% free, fully responsive HTML5 and CSS3 site templates designed by @ajlkn for web developers and designers.

FlipHTML5 is a digital publishing platform that allows users to convert PDF, PPT, Word, and images into interactive flipbooks online.

Mobirise is a free, no-code web design software that uses AI to generate awesome websites quickly, used by small businesses and individuals.

TemplateMonster is the best platform for web templates and is used by web designers and developers worldwide.

Can I use provides essential browser support tables for modern web technologies like HTML5 and CSS3, helping developers ensure compatibility.

WHATWG is a web standards organization focused on HTML and related technologies.

CSS-Tricks is a web development blog focused on CSS, HTML, and JavaScript tutorials and articles.

ThemeWagon offers a large collection of high-quality free and premium responsive Bootstrap, Material UI, and Tailwind CSS web templates and admin dashboards.

Formsite is an online form builder for creating professional HTML forms, surveys, order forms, and registrations with powerful integrations and payment processing.

HTML Design offers a wide selection of free, responsive HTML website templates and free PSD templates for personal or commercial web design projects.

SitePoint is an online learning platform for web development and design, offering tutorials, courses, and resources for developers.

JSFiddle is the best code playground for online coding and is used by developers and designers to test and share code snippets.

Start Bootstrap develops free, open-source Bootstrap themes, templates, and snippets, offering guides for learning web design and development with Bootstrap.

FreeHTML5.co provides high-quality, free HTML5 website templates built using the Bootstrap framework for web designers and developers.

AnyFlip is the best flip book maker for digital publishing and is used by publishers worldwide to create interactive publications.

TinyMCE is the world's most trusted WYSIWYG HTML editor, offering developers a feature-rich, customizable rich text editing solution for web applications.

PubHTML5 is the best digital publishing platform for flipbook software and is used by millions of publishers worldwide.

TemplateMo offers 602+ free, responsive HTML CSS website templates, including Bootstrap themes, for personal and commercial use.

FlipBuilder is the best flip book maker for converting PDFs to interactive digital flipbooks and is used by publishers and marketers.

ReliableCounter.com provides a 100% free, no-registration required visitor and hit counter service with over 400 styles for any website.

CKEditor is a rock-solid, feature-rich WYSIWYG HTML editor for developers, offering collaborative editing, customization, and 300+ features.

Chart.js is a flexible, open-source JavaScript charting library for creating modern, responsive HTML5 Canvas charts for web applications.