Apache XML project     xml.apache.org Different open source tools, most of which use the Xerces implementation (DOM Level 1 and 2) as a base. Xerces itself is available in Java, C++, Perl, and COM.

The W3C Document Object Model     www.w3.org/DOM Definitive specification for the DOM.

Apache DOM Implementation in Java  xerces.apache.org/xerces2-j A validating XML parser written in 100% pure Java, which includes an implementation of the Level 1 DOM, some of the Level 2 DOM, and SAX.

Apache's DOM Implementation in C++  xml.apache.org/xerces-c XML for C++ parser (XML4C) is a validating XML parser written in a portable subset of C++. It implements Level 1 and some of Level 2 DOM, as well as providing SAX interfaces. Source code, samples and API documentation are provided with the parser.

David Baron's DOM Tests  dbaron.org/dom/test Tests in JavaScript for compliance with some parts of the W3C DOM specs.

DocZilla - an SGML/XML browser  www.doczilla.com/index.html Built on Mozilla code, this browser has the same support for the DOM as Mozilla does.

4DOM  pyxml.sourceforge.net/topics A full DOM level 2 implementation for Python, included in the PyXML package.

DOM 1 Reference  zvon.org/xxl/DOM1reference/Output/index.html Reference guide with examples.

DOM2 Reference  zvon.org/xxl/DOM2reference/Output/index.html Reference guide with examples for the second release of the object model.

The Gnome DOM Engine  www.levien.com/gnome/gdome.html Promises to create a fully standards-compliant DOM interface. It is based on Daniel Veillard's libxml.

Microsoft Internet Explorer - XML/HTML Browser  www.microsoft.com/windows/ie/default.htm Full support for the Level 1 DOM.

Mozilla - XML/HTML browser  www.mozilla.org An open-source XML/HTML browser which is implementing full Level 2 DOM support.

Oracle XML Developer's Kit  www.oracle.com/technology/xml Contains a parser with a Level 1 DOM interface. Available in Java, C, C++ and PL/SQL.

Ozone  www.ozone-db.org Open source, Java, OO DBMS which includes a DOM interface.

Parsed XML Project  wiki.zope.org/ParsedXML Project implementing the DOM as a persistent object in the Zope application server. Currently implements Core levels 1 and 2, XML level 2, and some Core and Loading level 3.

Robin Cover's DOM Pages  xml.coverpages.org/dom.html A list of DOM resources.

Unicorn XML Processor  www.unicorn-enterprises.com A stand-alone ECMAScript interpreter that supports Level 1 DOM Core. An XSLT processor contains the same engine.

xmlBlaster  www.xmlblaster.org XML and CORBA/RMI/XML-RPC based MOM (message oriented middleware) for Java/C/C++/Perl/Tcl/Python. Free for commercial and non commercial use (LGPL).

XML4P Perl DOM  xerces.apache.org/xerces-p Includes a collection of Perl5 wrapper objects that internally use their XML4C counterparts for Level 1 DOM processing.