FunctionX, Inc.
Lessons summary: introduction, HTML structure, text formatting, fonts, paragraph formatting, graphics and pictures, lists, links, tables, frames, cascading style sheets, form design, text-based controls, and selection-based controls.
Infinite Software Solutions, Inc.
Fully indexed for ease of navigation, this 163 page reference source defines and explains the HTML version 4.01 tags and their associated attributes. In addition, working examples of code are provided for each tag. Plus, there are write-ups, with code examples, for the 16 core attributes which are available for almost all tags. Browser compatibility for each tag is also included.
TrainingTools.com
Online training course covering: introduction, overview of HTML, content formatting, character formatting, lists, images, links, tables, frames, forms, Java and JavaScript, ActiveX objects, special elements, page layout, and cascading style sheets.
EchoEcho.com - NetKontoret
HTML basics, text, lists, images, links, backgrounds, tables, frames, forms, META tags, and hexcolors.
Stephanos Piperoglou - Jupitermedia Corporation
A biweekly HTML/CSS tutorial that will make sure you're up to code. Whether you're a beginning web coder, or an advanced developer, it gives the foundation to look and perform your best.
Open Directory - Netscape Communications Corporation
Human-edited directory related to HTML: books, chats and forums, globalization, reference, resources, tools, tutorials, and more.
SitePoint Pty. Ltd.
Articles related to HTML and XHTML: HTML Coding, HTML Goodies, Beginners'HTML, HTML eMail Troubleshooter, HTML Email - Rich Media the Right Way, XHTML - An Introduction, Format HTML Email for AOL, New-Window Links in a Standards-Compliant World, XHTML Web Design for Beginners, and more.
webdeveloper.com - Jupitermedia Corporation
Discussion and technical support for building, using and deploying HTML sites.
W3Schools
HTML tutorial based on W3C web standards. It covers: elements, basic tags, formatting, entities, links, frames, tables, lists, forms, images, background, layout, fonts, styles, head, META, URLs, scripts, webserver. It provides examples, quiz, and more.
Microsoft Corporation
This section of the Microsoft Developer Network site contains a list of elements defined by HTML. The links take you to the element definitions, which contain the set of members for the element.