XSV (XML Schema Validator)

XSV is a reference implementation developed by Henry S. Thompson (one of the editors of the W3C XML Schema specification) and Richard Tobin. The current release is beta version XSV 1.203.2.20/1.106.2.11. XSV can be used as an online service or downloaded as Windows installer or Python source files.

XSDComp (XML Schema compilation)

Open source project to create a XSLT powered W3C XML Schema validator.

xsbrowser

xsbrowser is a Java applet that generates a human-readable model from a DTD or XML Schema to enable visualization of the data model.

XML Spy 4.1

XML Spy 4.1 supports the W3C XML Schema Recommendation. Its graphical interface includes the ability to generate complete schema documentation.

XML Schema Quality Checker

XML Schema Quality Checker examines an XML Schema and reports any improper usage of W3C XML Schema Language.

XML Canon/Developer

XML Canon/Developer (XCD) is a design-time repository for centralized management and distributed access of XML assets.

Xerces2-J

The Apache XML parser for Java, Xerces2-J, supports the W3C XML Schema Recommendation.

Xerces-C++

The Apache XML parser for C++, Xerces-C+, supports a subset of the W3C XML Schema Recommendation.

Turbo XML

The Turbo XML editor supports the W3C XML Schema Recommendation, and provides tools to convert older XML Schemas (October 24 Candidate Release and April 7 Draft) created using XML Authority to the current specification.

Sun XML Datatypes Library

Sun XML Datatypes Library is a Java implementation of XML Schema Part 2 for developers' use with applications that incorporate XML Schema Part 2.

Schematron

This page offers several sample implementations of the Schematron XML structure validation language.

Sample Implementation of TREX in Java

This page offers a sample Java implementation of the Tree Regular Expressions for XML (TREX) schema language for validating XML documents, with links to the downloadable sample as a JAR file, as a Win32 executable for use with the Microsoft Java Virtual Machine (VM), and as source code.

Rx-XML

Rx-XML,is a component of Hackerlab C Library. It provides a regular expression pattern matcher for Schema-capable validating XML processors, utilizing the language specified in XML Schema Part 2.

Relaxer

Relaxer is a Java tool that can read a REgular LAnguage description for XML (RELAX) schema and generates a set of Java classes that can represent the described objects in memory.

RELAX Verifier

RELAX Verifier for Java checks whether an XML document is valid against the given REgular LAnguage description for XML (RELAX) syntax.

RELAX NG Implementations

This page contains implementations of Regular Language Description for XML Next Generation (RELAX NG), a unification of the Tree Regular Expressions for XML (TREX) and RELAX schema languages.

Oracle XML Developer's Kit for Java

Oracle XML Schema Processor for Java is now a component of Oracle XML Developer Kit for Java (XDK for Java). Schema Processor for Java is a set of Java classes that allows the parsing of W3C XML Schemas, validation of XML instance documents against schemas, and the retrieval of information about the document's data structure. It is accompanied by two sample classes performing document validation.

Oracle XML Developer's Kit for C++

Oracle XML Schema Processor for C++ is now a component of Oracle XML Developer Kit for C++ (XDK for C++). Schema Processor for C++ allows the parsing of W3C XML Schemas, validation of XML instance documents against schemas and the retrieval of information about the document's data structure. It comes with a sample of document validation.

Oracle XML Developer's Kit for C

Oracle XML Schema Processor for C is now a component of Oracle XML Developer Kit for C (XDK for C). XML Schema Processor for C allows the parsing of W3C XML Schemas, validation of XML instance documents against schemas and the retrieval of information about the document's data structure. It comes with a sample of document validation.

Microsoft XML Well-Formedness Checking and Validation Tool

The Microsoft XML Well-Formedness Checking and Validation Tool accepts the URL of an XML document, then parses and validates the document. It will now also validate XML data against an XML schema.

Charting the XML territory with XMLMap

An XML article.

Safer XML

A nice XML article on safe XML scripting.

XML for Presentation Purposes

An XML article.

Printing XML using XSL

Printing XML using XSL

XML APIs for databases

Blend the power of XML and databases using custom SAX and DOM APIs.

XML for the absolute beginner

A guided tour from HTML to processing XML with Java.

What is XML?

Another XML article.

Understanding XML and XML Schema

This Web Service article series covers all the important standards in the Web Services stack and ties them together with real-world examples. The first article in this series discusses XML (Extended Markup Language).

What is XML?

A very nice XML article.

Using XML and JSP together

XML and JSP are two of the hottest buzzwords these days. This article shows how you can use these two technologies together to make a dynamic Website.

What is XML?

A nice XML article.

Why XML?

A nice XML article.

XML in 10 points

This summary in 10 points attempts to capture enough of the basic concepts to enable a beginner to see the forest through the trees.

XSL Sample Chapter

Chapter 17 of the XML Bible, Second Edition : XSL Transformations

Using XML and JSP together

XML and JSP are two of the hottest buzzwords these days. This article shows how you can use these two technologies together to make a dynamic Website.

XML Processing with Python

An article on XML and Python.

BEGINNING XML PART 6 - PARSING XML

An XML processor is more commonly called a parser, since it simply parses XML and provides the application with a....

BEGINNING XML PART 5 - PROCESSING INSTRUCTIONS

Although it isn't all that common, sometimes you need to embed application-specific instructions into your inform....

BEGINNING XML PART 4 - EMPTY ELEMENTS AND XML DECLARATION

This section describes empty elements and XML declaration in XML.....

BEGINNING XML PART 3 - COMMENTS

Comments provide a way to insert into an XML document text that isn't really part of the document, but rather is ...

BEGINNING XML PART 2 - ATTRIBUTES

In addition to tags and elements, XML documents can also include attributes

BEGINNING XML PART 1 - WELL-FORMED XML

This chapter will cover all you need to know to create "well-formed" XML. Well-formed XML is XML that meets certa....

XML Technologies

Introduces XML and tells you how to use the Java XML APIs.

XML Sitemap

Create an XML sitemap format that can be submitted to Google to help them crawl your website better. Create a Text sitemap to submit to Yahoo. Create a ROR sitemap and more.