TinyXML is a small and simple XML parsing library for the C++ programming language.

This module provides a class to handle the SOAP protocol. The first implementation is http://www.w3.org/TR/2000/NOTE-SOAP-20000508/, which is still most often used.

pugixml is a C++ XML processing library, which consists of a DOM-like interface with rich traversal/modification capabilities, a fast XML parser which constructs the DOM tree from an XML file/buffer, and an XPath 1.0 implementation for complex data-driven tree queries. Full Unicode support is also available, with Unicode interface variants and conversions between different Unicode encodings which happen automatically during parsing/saving.

XML::RegExp contains regular expressions for the following XML tokens: BaseChar, Ideographic, Letter, Digit, Extender, CombiningChar, NameChar, EntityRef, CharRef, Reference, Name, NmToken, and AttValue.

A collection of smaller Perl modules, scripts, and documents for working with XML in Perl. libxml-perl software works in combination with XML::Parser, PerlSAX, XML::DOM, XML::Grove, and others.

XML::TokeParser provides a procedural ("pull mode") interface to XML::Parser in much the same way that Gisle Aas' HTML::TokeParser provides a procedural interface to HTML::Parser. XML::TokeParser splits its XML input up into "tokens", each corresponding to an XML::Parser event.

Libxmlb library takes XML source, and converts it to a structured binary representation with a deduplicated string table; where the strings have the NULs included. This allows an application to mmap the binary XML file, do an XPath query and return some strings without actually parsing the entire document.

This is a collection of perl classes for reading and writing directed graphs in a variety of file formats. The graphs are represented in Perl using Jarkko Hietaniemi's Graph classes.

There are two base classes. Graph::Reader is the base class for classes which read a graph file and create an instance of the Graph class. Graph::Writer is the base class for classes which take an instance of the Graph class and write it out in a specific file format.

OpenSP is an object-oriented toolkit for SGML parsing and entity management. It is a fork of James Clark's SP suite. The tools it contains can be used to parse, validate, and normalize SGML and XML files. The central program included in this package is onsgmls, which replaces sgmls, ospam, ospent, osgmlnorm, and osx.

This module provides an XPath engine, that can be re-used by other module/classes that implement trees. It is designed to be compatible with Class::XPath, ie it passes its tests if you replace Class::XPath by Tree::XPathEngine.

This module has a very simple task - to be a base class for PerlSAX drivers and filters. Its default behaviour is to pass the input directly to the output unchanged. It can be useful to use this module as a base class so you don't have to, for example, implement the characters() callback.

Atom is a syndication, API, and archiving format for weblogs and other data. XML::Atom implements the feed format as well as a client for the API.

The XML Security Library is a C library based on Libxml2. It supports XML security standards such as XML Signature, XML Encryption, Canonical XML (part of Libxml2) and Exclusive Canonical XML (part of Libxml2).

This is a very simple filter. One common cause of grief (and programmer error) is that XML parsers aren't required to provide character events in one chunk. They can, but are not forced to, and most don't. This filter does the trivial but oft-repeated task of putting all characters into a single event.

This module provides ways to parse XML documents. It is built on top of XML::Parser::Expat, which is a lower level interface to James Clark's expat library. Each call to one of the parsing methods creates a new instance of XML::Parser::Expat which is then used to parse the document. Expat options may be provided when the XML::Parser object is created. These options are then passed on to the Expat object on each parse call. They can also be given as extra arguments to the parse methods, in which case they override options given at XML::Parser creation time.

This package provides an XML Schema and its catalog. The schema constrains the syntax of xml:lang, xml:spec, xml:base, and xml:id in the schema language defined by the XML Schema Recommendation Second Edition of 28 October 2004.

libebml is a C++ library to read and write EBML (Extensible Binary Meta Language) files. EBML was designed to be a simplified binary extension of XML for the purpose of storing and manipulating data in a hierarchical form with variable field lengths.

This module aims to comply exactly to the https://www.w3.org/TR/xpath and yet allow extensions to be added in the form of functions. It also provides the command xpath.

The xmlschema library is an implementation of XML Schema for Python. It has full support for the XSD 1.0 and 1.1 standards, an XPath-based API for finding schema's elements and attributes; and can encode and decode XML data to JSON and other formats.

untangle is a tiny Python library which converts an XML document to a Python object.

OpenJade is an implementation of Document Style Semantics and Specification Language (DSSSL), a style language to format SGML or XML documents. It contains backends for various formats such as RTF, HTML, TeX, MIF, SGML2SGML, and FOT.

This module extends the XML::Parser module by Clark Cooper. The XML::Parser module is built on top of XML::Parser::Expat, which is a lower level interface to James Clark's expat library. XML::DOM::Parser is derived from XML::Parser. It parses XML strings or files and builds a data structure that conforms to the API of the Document Object Model.

Defusedxml provides XML bomb protection for Python stdlib modules.

Libxml2 is the XML C parser and toolkit developed for the Gnome project (but it is usable outside of the Gnome platform).