XLDL Literature Description Language
- An XML doctype for the storage of novels, stories, poems and related texts.
- http://www.ister.org/code/xldl/

Rivet Software
- Provides solution software (Dragon Tag) for Microsoft Word and Excel that allows you to take existing financial data and turn it into XBRL-formatted data. Also provides consulting.
- http://www.rivetsoftware.com/

OMF - Weather Observation Definition Format
- An XML document type for weather observations.
- http://www.metnet.navy.mil/Metcast/XML/OMF.html

XML in Mozilla
- This document provides an overview of the plans for XML in Mozilla. (Mozilla)
- http://developer.mozilla.org/en/docs/XML_in_Mozilla

DITA - Darwin Information Typing Architecture
- Architecture for creating and deploying modular technical information on varied platforms, from printed manuals to online helpsets to hierarchical information for small-screen devices.
- http://www-128.ibm.com/developerworks/xml/library/x-dita4/

UBL - Universal Business Language
- An OASIS effort to create a synthesis of existing XML business document libraries into one universal business langugage.
- http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=ubl

XMLSTATS: Using SportsML
- Introduction to the SportsML standard, designed to provide a consistent format for sports scores and statistics.
- http://erikberg.com/xmlstats/

InfoML
- A markup language for storing, combining, and sharing quotations, facts, ideas, and opinions. Also used for building trees and webs of such information.
- http://members.dslextreme.com/users/gregg411/infoml/

RecipeBook XML
- A markup language designed to allow sharing of recipes electronically.
- http://www.happy-monkey.net/recipebook/

GDML - Geometry Description Mark-up Language
- Used to define geometrical description of complex systems.
- http://gdml.web.cern.ch/GDML/

XrML eXtensible rights Markup Language
- A general-purpose, XML-based specification grammar for expressing rights and conditions associated with digital content, services, or any digital resource.
- http://www.xrml.org/

MusicXML
- Designed to represent musical scores in common Western musical notation. It is an interchange format for notation, performance, analysis, and retrieval applications.
- http://www.recordare.com/xml.html

AIML - Astronomical Instrument Markup Language
- A version of the Instrument Markup Language (IML) for controlling astronomical instruments.
- http://www.oasis-open.org/cover/aml.html

RecipeML
- Official specification document, FAQ, example recipes, and the DTD of the recipe markup language formerly known as Dessert.
- http://www.formatdata.com/

Molecular Dynamics Language
- Provides simple constructs like atom, bond, molecule and TRANSLATE to mark up chemical simulation data.
- http://www.oasis-open.org/cover/modl.html

XBEL - XML Bookmark Exchange Language
- Document type for bookmark files, which can be used to exchange bookmarks between any browsers and also to publish them on the web. A conversion program is available.
- http://pyxml.sourceforge.net/topics/xbel/

LMML - Learning Material Markup Language
- Commented listing of an experimental version of the DTD suitable for the mark up of formal course materials, such as teaching materials, teachware.
- http://www.lmml.de/

NewsML
- An XML encoding for news which is intended to be used for the creation, transfer, delivery and archiving of news. By International Press Telecommunications Council. [XML-compliant browser required]
- http://www.newsml.org/

XBRL - Extensible Business Reporting Language
- A royalty-free, open specification to describe financial information for public and private companies and other organizations. Overview, FAQ, press releases, rescources, demonstrations and information about events.
- http://www.xbrl.org/

XGMML - Extensible Graph Markup and Modeling Language
- Based on GML, which is used for graph description; uses tags to describe nodes and edges of a graph. Its purpose is to make possible the exchange of graphs between differents authoring and browsing tools for graphs
- http://www.cs.rpi.edu/~puninj/XGMML/

rezML
- A lightweight XML DTD and style sheets for the structuring of Resumes and Job Listings. (Working Draft)
- http://rezml.sourceforge.net/

QEL - Quotation Exchange Language
- For exchanging collections of quotations. Downloadable DTD, example quotations, QEL software and history.
- http://www.amk.ca/qel/

P3P - Platform for Privacy Preferences 1.0 Specification
- Enables Web sites to express their privacy practices in a standard format that can be retrieved automatically and interpreted easily by user agents.
- http://www.w3.org/TR/P3P/#DTD

PetroXML
- A DTD for vendor invoicing for oil and gas field operations.
- http://www.petroxml.com

OSD - Open Software Description Format
- A vocabulary used for describing software packages and their dependencies. It is intended to be useful in automated software distribution environments.
- http://www.w3.org/TR/NOTE-OSD.html

NITF - News Industry Text Format
- Used for sharing news articles, developed by the International Press Telecommunications Council. Because metadata is applied throughout the news content, NITF documents are more searchable and useful than HTML pages.
- http://www.nitf.org/

MCF - Meta Content Framework
- A data model for describing information organization structures (metadata) for collections of networked information.
- http://www.w3.org/TR/NOTE-MCF-XML/

NetBeans XML Project
- Designed to add support for working with XML, DTD and CSS documents in NetBeans. Links, FAQs, developer's corner and downloads featured.
- http://xml.netbeans.org/

xCBL - XML Common Business Library
- A set of XML building blocks and a document framework that allows the creation of robust, reusable, XML documents to facilitate global trading, using SOX, XDR, and DTDs.
- http://www.xcbl.org/

LOGML - Log Markup Language
- Designed to describe log reports of web servers. Mining web-data that has been collected from web server logfiles, is not only useful for studying customer choices, but also helps in organizing web pages. The structure of a web site is represented as a
- http://www.cs.rpi.edu/~puninj/LOGML/

How to Create Channel Definition Format (CDF) Files
- Microsoft tutorial, explaining how CDF gives Web authors another way to organize their sites.
- http://msdn.microsoft.com/library/default.asp?url=/workshop/delivery/cdf/tutorials/generic.asp

CIDX: Chemical Industry Data Exchange
- Vendor neutral industry organization that created Chem eStandards, uniform standards of data exchange developed specifically for the buying, selling and delivery of chemicals.
- http://www.cidx.org/

Adex
- A document type for newspaper classified ads.
- http://www.naa.org/technology/clsstdtf/

Open Applications Group (OAGI)
- Freely downloadable set of DTDs that define interfaces between business applications such as Purchasing, Supply Chain, Manufacturing, Human Resources, and Financials, The context of the DTDs is fully explained in a document called OAGIS, which is also
- http://www.openapplications.org/

VocML - Vocabulary Markup Language
- DTD/Schema developed to support the structured representation of a wide range of Knowledge Organization Systems/Services (KOS).
- http://xml.coverpages.org/vocML.html

Extensible 3D (X3D)
- Open standard XML application developed by the W3D Consortium as the successor to Virtual Reality Modeling Language (VRML 97).
- http://www.web3d.org/x3d/

JSML - JSpeech Markup Language
- A text format used by applications to annotate text input to speech synthesizers; derived from Java Speech API Markup Language.
- http://www.w3.org/TR/jsml/

DARPA Markup Language (DAML+OIL)
- DAML is being developed as an extension to XML and RDF. DAML+OIL provides a rich set of constructs with which to create ontologies and to markup information so that it is machine readable and understandable.
- http://www.daml.org/

ISO 15022 XML
- Replaces FIX and SWIFT messaging protocols as a single industry standard; prepared by Technical Committee ISO/TC68, Banking, Securities and Related Financial Services, Sub-Committee SC4, Securities and Related Financial Instruments.
- http://www.iso15022.org/

Mathematical Markup Language (MathML) Version 2.0
- Describes mathematical notation and capturing both its structure and content. (W3C Recommendation 21 February 2001)
- http://www.w3.org/TR/MathML2/