HEATKEYS

HTML XHTML CSS JavaScript XML XSL ASP SQL ADO VBScript Tutorials References Examples

HTML and XHTML character escape codes and entity references including copyright, trademark and currency symbols

Online tools for developers, including formatters (JSON, XML, HTML, SQL, etc.), minifiers (JavaScript, CSS), validators, compactors and many more!

The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web standards.

Online tools to handle special characters on the web, in code and unicode reference charts.

A World Wide Web-based communications company offering online publications related to Internet use, development, reference, and understanding.

Oracle Documentation

Free html tutorials and help, images, color codes and more for the web developer. Featuring tutorials on HTML tags, programming, basics, JavaScript, frames, hex codes and more. Our weekly newsletter provides the latest information for developers.

SwRI Planetary Science Directorate is a center for the study of solar system science and space mission operations