HEATKEYS

A web-based XML validator. Can be used for free. Validates XML files, prompts the user for referenced files (e. g., XSD), shows good error messages.

HTML, XHTML, XML und WML Validator

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

CoreFiling are specialists in XBRL and iXBRL software, solutions and services.

Biyee SciTech Inc. committed to help our customers drive up productivity and drive down cost significantly with our robust products out of relentless innovation.

A collection of 30 free tutorial books by Herong Yang on latest programming technologies. Tutorials in all books are based on Herong

The Stylus Studio XML Editor is an innovative XML IDE providing advanced XML development tools for XML, XSL, XSLT, XML Schema, DTD, SOAP, WSDL, SQL/XML, XML mapping, Web services and XQuery, simplifying XML data integration.

Coding discussion forum for many popular programming languages.

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

Free tutorials and reference manuals with examples for HTML5, iBATIS, Django, JSP, JAVA, JDBC, AJAX, WAP, SQL, MySQL, C/C++, PERL, PHP, Ruby, Ruby on Rails, Python, HTML, XHTML, CSS, CGI, Shell, Unix, JavaScript, jQuery, Radius, UML, GPRS, GSM,i-Mode...

W3C