builds on the well-known Lucene search engine library to create an enterprise search server with a simple HTTP/XML interface. Using Solr, large collections of documents can be indexed
DITA XML.org is the official community gathering place and information resource for the Darwin Information Typing Architecture (DITA) OASIS Standard. This site is hosted by OASIS
links to tutorials on XML, XSL, XML Schema, XPath, Schematron, CSS, XInclude and XSLT, using XML with Java servlets , RELAX NG, XSL-FO and links to APIs for Apache Xerces2, Apache SOAP, Saxon 6 XSLT Processor, Berkeley DB XML, and more
The Extensible Messaging and Presence Protocol (XMPP) is an open XML technology for real-time communication, which powers a wide range of applications including instant messaging, presence, media negotiation, whiteboarding, collaboration, lightweight midd
a web-based service designed to make it easier to convert academic papers from typical word-processor editing formats such as MS-Word .DOC and OpenOffice .ODT, to publishing layout formats such as XML.
You can limit eXist to being an XML storage facility that your existing web server draws content from, or you can store your entire web application in eXist (CSS, Javascript, images, and all), and make eXist your project's website.