A metaprogramming environment based on concept programming, an idea very similar to Intentional Programming of Charles Simonyi.

Note: it is unrelated to Mozart/OZ.

From its home page (see below):

Mozart is a framework to create extensible development tools. It is believed to be the first framework to fully enable concept programming. Its main domains of applications are:

The major components of Mozart are:

If you care about software development, you might want to learn about concept programming and XL today. This is the future of programming.

This page is linked from: XL