CodeSynthesis XSD is an XML Data Binding compiler for C++ developed by Code Synthesis and dual-licensed under the GNU GPL and a proprietary license. Given an XML instance specification (XML Schema), it generates C++ classes that represent the given vocabulary as well as parsing and serialization code. It is supported on a large number of platforms, including AIX, Linux, HP-UX, OS X, Solaris, Windows, OpenVMS, and z/OS. Supported C++ compilers include GNU G++, Intel C++, HP aCC, Solaris Studio C++, IBM XL C++, and Microsoft Visual C++. A version for mobile and embedded systems, called CodeSynthesis XSD/e, is also available.