Tools

Apache XML Project
XML parsers, XSL-T processors and XML processing frameworks.
http://xml.apache.org/

csv2xml
Open source CSV to XML converter.
http://csv2xml.sourceforge.net

DeltaXML: XML file comparison
Tools for intelligent comparison of XML files. The differences are represented in XML. Provides a Java API for embedding in Java applications.
http://www.deltaxml.com

ExamXML
Visual XML files comparison tool with color highlighting differences.
http://www.a7soft.com/

Exegenix
Provides service and software that automates the conversion of content in legacy formats such as PDF or PostScript to XML, SGML, HTML or applications such as DAISY, DocBook and others.
http://www.exegenix.com/

Free XML Tools and Software
Categorized listing of software available for download. Categories include control information development (creating, modifying and documenting DTDs and XSL style sheets), conversion, storage and management, editing and composition, delivery, parsers and engines.
http://www.garshol.priv.no/download/xmltools/

fxp Functional XML Parser
Validating XML parser written in SML. Changlog, installation instructions, and download.
http://atseidl2.informatik.tu-muenchen.de/~berlea/Fxp/

GSLgen: General-purpose Schema Language generator
By iMatix Corp. Universal code generator engine, can generate any programming language, from templates driven by XML data; templates can act as full XML processing applications; code generation engine can be used in other applications. Open source.
http://legacy.imatix.com/html/gslgen/

HaXml
Utilities to use Haskell and XML together. Site provides whitepapers, downloads (current and older versions), bug report and contact information.
http://www.cs.york.ac.uk/fp/HaXml/

JAXFront
A rendering engine that generates presentation GUIs "on-the-fly", using an XML schema based representation of the business model.
http://www.jaxfront.org/

Metabase
Database independent access and management via XML for PHP. Free registration required to download.
http://www.phpclasses.org/browse.html/package/20

Oracle XML Developer's Kit
Parsers, schema processors, and class generators for Java, C, C++ and PL/SQL.
http://www.oracle.com/technology/xml/

Prince XML
Commercial XML+CSS to PDF converter.
http://www.princexml.com/

Public SGML/XML software
The software listing of The XML Cover Pages.
http://xml.coverpages.org/publicSW.html

RTF to XML Converter
Converts RTF documents to either XML documents or XSL/XML document sets that are compliant with the XML FO specification. It works as a standalone application or as part of an integrated solution.
http://www.rtf-to-xml.com

RustemSoft
Utilities for conversion to XML from various formats including MS Office, SQL Server, Oracle, ODBC format and text source formats.
http://rustemsoft.com/

STG Validator
On-line checking of XML specified by URL, local file, or cut and paste.
http://www.stg.brown.edu/service/xmlvalid

TeXML Processor
An XML vocabulary for TeX. The processor transforms TeXML markup into TeX markup, escaping special and out-of-encoding characters. Intended audience is developers who automatically generate TeX files.
http://getfo.org/texml/

WDVL XML Software Guide
A guide to the latest tools in XML development. With a description of each tool, ranging from XML editors, parsers, database support, browsers and APIs. Part of the Web Developers Virtual Library (WDVL).
http://wdvl.com/Software/XML/

Webreference.com: XML tools
A collection of GNU software tools for processing XML and its derivates, such as RSS.
http://webreference.com/xml/tools/

XML Query Engine
Full-text search engine component for XML.
http://www.fatdog.com/

XML Schema to Programming Language Binding Tool
Generates C++, C#, Java or Visual Basic 6 components from XML schema types (XSD, XDR) and DTDs.
http://www.liquid-technologies.com

XMLBooster
A XML parser generator for COBOL. Features, details of application integration, prices, and ordering information.
http://www.xmlbooster.com/

XML.com: Buyer's Guide
The web magazine XML.COM offers this up-to-date list of XML software products with detailed reviews.
http://www.xml.com/buyersguide/

XMLRAD
Commercial solution for client/server application development based on industry and internet standards: SQL, XML, XSL, HTML, SOAP, WSDL.
http://xmlrad.com/