| Name | Categories | Comments |
|---|
| 4Suite | XSLT engines, RDF parsers, DOM implementations, XML document database systems | |
| AdvXMLParser | XML parsers | |
| Amaya | XML editors, XML browsers | |
| Arabica | XML parsers | |
| ARP | RDF parsers | |
| BML | XML middleware | |
| Castor | Data binding engines | |
| CenterPoint/XML | XML parsers | |
| CL-XML | XML parsers, DTD parsers | |
| Cocoon | Web publishing | |
| Cooktop | XML editors | |
| Cost | XML middleware | |
| css-mode | CSS editors | |
| CSS2 Parser | XML middleware | |
| CyberNeko HTML Parser | General N-converters | |
| Data Descriptors by Example | DTD generators | |
| DB2XML | General N-converters | |
| DDbE | DTD generators | Now: Data Descriptors by Example |
| debit | XML editors | |
| Digester | Data binding engines | |
| Docuverse DOM SDK | DOM implementations | |
| dom4j | XML middleware | |
| domc | DOM implementations | |
| DOMParser | XML middleware | |
| DSC | DSSSL engines | |
| DSD Processor | XML validators | |
| DT4DTD | XML middleware | |
| DTD Parser | DTD parsers | |
| DTD2RELAX | Schema converters | |
| dtd2xs | Schema converters | |
| DTDDoc | DTD documenters | |
| dtddoc | DTD documenters | |
| DTDInst | Schema converters | |
| DTDParse | DTD parsers, DTD documenters | |
| DTDParser | DTD parsers | |
| easyXML | XML middleware | |
| ElementTree | XML middleware | |
| Emilé | XML editors | |
| eXchaNGeR | XML editors, XML browsers | |
| eXist | XML document database systems | |
| expat | XML parsers | |
| Expat Module for Ruby | XML parsers | |
| ezDTD | DTD editors | |
| FirstSTEP EXML | DTD generators | |
| Flute | XML middleware | |
| FOA | XSLT editors | |
| FOP | XSL engines | |
| FREE-DOM | DOM implementations | Now: Docuverse DOM SDK |
| Fxgrep | XML search engines | |
| fxp | XML parsers | |
| Fxt | General S-converters | |
| Gdome | DOM implementations | |
| GenDiapo | XML editors | Now: GenDoc |
| GenDoc | XML editors | |
| GMD-IPSI XQL Engine | XML search engines | |
| gnome-xml | XML parsers | Now: libxml |
| GNOWSYS | Topic map engines | |
| GNU JAXP | XML parsers, DOM implementations | |
| Gobo Eiffel | XML parsers | |
| gogoXML | Data binding engines | |
| GPS | XML middleware | |
| GWTK | Topic map engines | Now: TmTk |
| HaXml | XML parsers | |
| HTML-Kit | XML editors, CSS editors, XSLT editors | |
| HXML | XML parsers | |
| IBM techexplorer | XML browsers | |
| ICS-FORTH Validating RDF Parser | RDF parsers | |
| infozone | XML document database systems | |
| Jade | DSSSL engines | |
| Java HTML Tidy | General N-converters | |
| Java/XML Quick | Data binding engines | |
| Jaxen | XLink/XPointer engines | |
| JaxMe | Data binding engines | |
| jd.xslt | XSLT engines | |
| JDOM | XML middleware | |
| JEDI | General N-converters | |
| Jena | RDF parsers | |
| jfor | XSL engines | |
| JiBX | Data binding engines | |
| Jing | XML validators | |
| JTidy | General N-converters | Now: Java HTML Tidy |
| Lark | XML parsers | |
| libxml | XML parsers | |
| libxml-enno | DOM implementations | |
| libxslt | XSLT engines | |
| LiveDTD | DTD documenters | |
| LT PyXML | XML middleware | |
| LTXML | XML parsers | |
| lxml | XML parsers | |
| Majix | General N-converters | |
| maki | Web publishing | |
| MDC-XSL | XSLT engines | |
| MetaMorphosis | General S-converters | |
| mod_xslt | Web publishing | |
| Mozilla | XML browsers | |
| NUX | XML middleware | |
| NUX | XML middleware | |
| OpenJade | DSSSL engines | |
| OpenSP | SGML/XML parsers | |
| Parser Filters | XML middleware | |
| Parsifal | XML parsers | |
| PassiveTeX | XSL engines | |
| Pathan | XLink/XPointer engines | |
| PatML | XML middleware | |
| PECEL | XML editors | |
| Perl libxml | XML parsers | |
| Perl XTM | Topic map engines | |
| perlSGML | DTD documenters | |
| Piccolo | XML parsers | |
| Protégé 2000 | XML editors, XML middleware | |
| PSGML | XML editors | |
| PXP | XML parsers, DTD parsers | |
| PXSLServlet | Web publishing | |
| Pyana | XSLT engines | |
| pysp | SGML/XML parsers | |
| Python XML package | XML middleware | |
| PyTREX | XML validators | |
| Pyxie | XML middleware | |
| QuiP | XML search engines | |
| Rapier | RDF parsers | Now: Raptor |
| Raptor | RDF parsers | |
| RDF-Parser | RDF parsers | |
| RDFDB | XML document database systems | |
| Redfoot | XML document database systems, RDF parsers | |
| Relaxer | XML middleware | |
| repat | RDF parsers | |
| REXP | XSL engines | |
| Rhythmyx XSpLit | DTD generators, XSLT generators | |
| RTF2XML | Specific N-converters | |
| RXP | XML parsers | |
| S-Link-S Editor | XML editors | |
| Sablotron | XSLT engines | |
| SAC | XML middleware | Now: Flute |
| Sample TREX implementation | XML validators | |
| SAX for Pascal | XML middleware | |
| SAX2 | XML middleware | |
| SAXDOM | DOM implementations | Now: Docuverse DOM SDK |
| SAXExpat | XML parsers | |
| SAXON | XML middleware, XSLT engines, DTD generators | |
| SAXPath | XLink/XPointer engines | |
| SCEW | XML parsers | |
| Schematron | XML validators | |
| Schematron.NET | XML validators | |
| SemanText | Topic map engines | |
| SGMLSpm | SGML/XML parsers | |
| sgrep | XML search engines | |
| Simkin | XML middleware | |
| SKYRiX Libraries for XML Processing | XML parsers | |
| Skyron | Data binding engines | |
| SP | SGML/XML parsers | |
| Sun MSV Schematron Add-on | XML validators | |
| Sun Multi-Schema Validator | XML validators | |
| Sun RELAX-NG Converter | Schema converters | |
| SwiX | General S-converters | |
| TagSoup | General N-converters | |
| TclDOM | DOM implementations | |
| TclExpat | XML parsers | |
| TclXML | XML parsers | |
| TclXSLT | XSLT engines | |
| tDOM | DOM implementations | |
| tdtd | DTD editors | |
| Tidy | General N-converters | |
| TM4J | Topic map engines | |
| tmproc | Topic map engines | |
| TMTab | Topic map engines | |
| TmTk | Topic map engines | |
| Tony | XML parsers | |
| Trang | Schema converters, DTD generators | |
| Unicorn Formatting Objects | XSL engines | |
| Unicorn XSLT Processor | XSLT engines | |
| VBRELAXNG | XML validators | |
| WH2FO | XSLT generators | |
| Whisper | XML parsers | |
| Windows Foundation Classes | XML parsers | |
| X-IT | General S-converters | |
| X-Smiles | XML browsers | |
| X-Tract | General S-converters | |
| Xalan-C++ | XSLT engines | |
| Xalan-Java | XSLT engines | |
| XDBM | XML document database systems | |
| XDOM | XML parsers, DOM implementations | |
| XED | XML editors | |
| Xeena | XML editors | |
| Xerces C++ | XML parsers | |
| Xerces Java | XML parsers | |
| Xerces Perl | XML parsers | |
| XFA Scripting System | XML middleware | |
| XInclude.NET | XML middleware | |
| XIncluder | XML middleware | |
| XIndice | XML document database systems | |
| XLE | General N-converters | Now: XML Lightweight Extractors |
| XMas | XML middleware | Now: XML Master |
| XMill | XML document management utilities | |
| XML Bean Suite | XML middleware | |
| XML Datatypes Library | XML middleware | |
| XML Diff and Merge Tool | XML document management utilities | |
| XML Entity and URI Resolvers | XML middleware | |
| XML Instance Generator | XML middleware | |
| XML Integrator | Data binding engines | |
| XML Lightweight Extractors | General N-converters | |
| XML Master | XML middleware | |
| XML Parser Component for Delphi | XML parsers | |
| XML Pull Parser | XML parsers | |
| XML Schema Validator | XML validators | |
| XML Security Suite | XML middleware | |
| XML Tools Scripting Addition | XML parsers | |
| XML TreeDiff | XML document management utilities | |
| XML Viewer | XML browsers | |
| XML-DBMS | XML document database systems | |
| xml.lisp | XML parsers | |
| xml2ddml | DTD generators | |
| XML::DT | General N-converters | |
| XML::Edifact | Specific N-converters | |
| XML::Grove | XML middleware | |
| XML::LibXSLT | XSLT engines | |
| XML::Parser | XML parsers | |
| XML::Twig | XML middleware | |
| XML::Writer | XML middleware | |
| XML::XPath | XLink/XPointer engines | |
| XML::XSLT | XSLT engines | |
| xmlarch | Architectural forms engines | |
| xmlBlaster | XML middleware | |
| xmldiff | XML document management utilities | |
| XMLIO | XML parsers | |
| xmlizer | General N-converters | |
| xmloperator | XML editors | |
| xmlparse | XML parsers | |
| xmlproc | XML parsers, DTD parsers | |
| XMLTok | XML parsers | Now: expat |
| xmltools | XML editors | |
| xmlutils | XML parsers | |
| XOM | XML middleware | |
| XP | XML parsers | |
| XPA | General S-converters | |
| XPath Visualizer | XSLT editors | |
| Xplorer | XML browsers | |
| XSet | XML search engines | |
| XSL Lint | XSL checkers | |
| XSL Tester | XSLT editors | |
| xslide | XSLT editors | |
| XSLT-process | XSLT editors | |
| XSLTC | XSLT engines | |
| XT | XSLT engines | |
| Xtract | XML search engines | |
| Zeus | Data binding engines | |
| Ćlfred | XML parsers | |
| Ćlfred2 for Pascal | XML parsers | |