X# - XML oriented programming language
http://www.xsharp.org/

X# (pronounced X-sharp) is a domain specific language designed to quickly create Web applications and services. In X# everything is represented as a hierarchical structure or tree and instead of using functions to manipulate information or perform actions, all possible operations you can think of are done by adding, removing or changing nodes from this tree. Since there are no functions to learn and everything is done intuitively, even inexperienced developers can create complex Web applications and services in record time.

X# (pronounced X-sharp) is a domain specific language designed to quickly create Web applications and services. In X# everything is represented as a hierarchical structure or tree and instead of using functions to manipulate information or perform actions, all possible operations you can think of are done by adding, removing or changing nodes from this tree.

Web application and services domain specific language