Apache XML project -  .

The W3C Document Object Model -  .

Adobe's SVG Viewer - - Uses the DOM for animation of SVG images. Currently preview (alpha) releases; these implement some of DOM Level 2 as well as DOM Level 1.

David Baron's DOM Tests - - Tests in JavaScript for compliance with some parts of the W3C DOM specs.

Dieter Köhler's XDOM 2.0 - - A Delphi3 implementation of the DOM Level 2 Core and Traversal modules. Binaries and source code available, free of charge.

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

4DOM - - A full DOM level 2 implementation for Python, included in the PyXML package.

DOM 1 Reference - - Reference guide with examples.

DOM2 Reference - - Reference guide with examples for the second release of the object model.

DOMJuan: Koala's implementation of the DOM - - Java implementation of the DOM Level 2. Free and with source code. Currently (version 0.1) only the Core and Events modules are available.

eDOM - - An editing extensions to the W3C DOM. Specification, tests, FAQ, demos, downloads.

The Gnome DOM Engine - - Promises to create a fully standards-compliant DOM interface. It is based on Daniel Veillard's libxml.

IBM's DOM Implementation in 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. Now part of the Apache Xerces project.

IBM's DOM Implementation in Java - - 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. Now part of the Apache Xerces project.

IBM's techexplorer Hypermedia browser - - A plug-in for Netscape Navigator and Microsoft Internet Explorer which enables the display of TeX, LaTeX, and MathML documents and the publishing of interactive mathematical and scientific material on the Web. Includes the DOM (JavaScript, C, C++ and Java).

Media Design in Progress - - XML and DOM-based editors and web site publishing systems for the Macintosh. Uses Lisp as the language.

Microsoft Internet Explorer - XML/HTML Browser - - Full support for the Level 1 DOM.

Minidom - - Lightweight DOM implementation in the standard Python library.

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

MSXML - - The Microsoft stand-alone XML parser with Level 1 DOM support, implemented as a COM component.

NIST DOM tests in ECMAScript - - Tests currently written for MSIE; should be updated soon for other implementations.

NIST XML/DOM Activity - - Includes pointers to the DOM test suites for Level 1.

OpenXML - - An open source, pure Java framework for XML-based applications which implements the Level 1 DOM and some of the Level 2 DOM.

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

Oracle XML Transviewer Beans - - DOM Java Bean encapsulation for use in quickly developing GUIs to XML applications.

Ozone - - Open source, Java, OO DBMS which includes a DOM interface.

Parsed XML Project - - Project implementing the DOM as a persistent object in the Zope application server. Currently implements Core levels 1 & 2, XML level 2, and some Core & Loading level 3.

Robin Cover's DOM Pages - - A list of DOM resources.

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

xmlBlaster - - 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 - - Includes a collection of Perl5 wrapper objects that internally use their XML4C counterparts for Level 1 DOM processing.