XML Applications and Initiatives ● Hundreds of document formats using XML syntax have been developed,including RSS, Atom, SOAP, SVG, and XHTML. ● XML-based formats have become the default for many office-productivity tools, including Microsoft Office (Office Open XML), OpenOffice.org and LibreOffice (OpenDocument), and Apple's iWork. XML ha ● XML has also provided the base language for communication protocols such as XMPP. ● Applications for the Microsoft .NET Framework use XML files for configuration. ● Apple has an implementation of a registry based on XML. Link: http://xml.coverpages.org/xmlApplications.html ​ MusicXML MusicXML is the standard open format for exchanging digital sheet music. It allows you to collaborate with musicians using different music applications. Examples: ​ http://www.musicxml.com/music-in-musicxml/example-set/ http://www.musicxml.com/for-developers/ VoiceXML (VXML) VoiceXML (VXML) is a digital document standard for specifying interactive media and voice dialogs between humans and computers. It is used for developing audio and voice response applications, such as banking systems and automated customer service portals. Overview and Examples: https://www.w3.org/TR/voicexml20/#dml1 ComicsML A Simple Markup Language for Comics. To facilitate comics in the web:could help digital comics assert their value as online resources and as art forms. https://www.xml.com/pub/a/2001/04/18/comicsml.html MathsML MathML is a low-level specification for mathematical and scientific content on the Web and beyond. https://www.w3.org/Math/ https://www.dessci.com/en/reference/MathMLTestSuite/index.html .