Raptor is a C library providing a set of parsers and serializers for Resource Description Framework (RDF) triples by parsing syntaxes into RDF triples and serializing triples into a syntax. The parsers support RDF/XML, N-Triples, GRDDL, and Turtle, and via RSS tag soup: XML RSS, Atom 0.3, and Atom 1.0. The serializers support RDF/XML (3 flavours), Turtle, DOT, N-Triples, RSS 1.0, and Atom 1.0. Raptor handles RDF/XML as used by RDF applications such as RSS 1.0, FOAF, DOAP, Dublin Core, and OWL. It can use either expat or libxml2 for XML parsing, libcurl when available for URI retrieval, and is portable to many POSIX systems.
Studs MVC Framework+ contains a port of Apache's Jakarta Struts to PHP, though the libraries included in the rest of the project are much more vast. In order to implement the Struts port, it was necessary to build a core, object-oriented API in the style of the JDK and the Jakarta Commons, a servlet container to handle HTTP requests and to invoke servlet classes, and finally, a parsing engine for JSP-style template pages. In the end, the result is an environment which is very similar to that provided by a J2EE Web Container, only everything is implemented in PHP. While it was possible to carry over many of the concepts, designs and mechanisms from J2EE, some limitations do exist due to the nature of the PHP programming language, such as the lack of checked exceptions (runtime only).
WSO2 Web Services Framework for PHP is a PHP extension for providing and consuming Web services. WSO2 WSF/PHP supports SOAP 1.1, SOAP 1.2, WSDL generation, WSDL mode (WSDL 1.1 and WSDL 2.0), REST style invocation, integrated Data Services capabilities, and some of the key WS-* stack specifications such as: SOAP MTOM, WS-Addressing, WS-Security, WS-SecurityPolicy, and WS-ReliableMessaging.
WSO2 Web Services Framework for C is a standards compliant, enterprise grade, C library for providing and consuming Web services. WSO2 WSF/C is a complete solution for building and deploying Web services, and implements a very wide range of WS-* specifications, including MTOM, WS-Addressing, WS-Policy, WS-Security, WS-SecurityPolicy, WS-Reliable Messaging, and WS-eventing. All the Web services specification implementations are tested for interoperability with Microsoft .NET, WSO2 WSAS, and other J2EE implementations.