QuickUI (Quick User Interface) is a framework that simplifies the design, construction, and maintenance of web-based user interfaces. The easiest way to describe QuickUI is that it lets you write HTML as if you could create your own tags.
The BNF Converter is a compiler construction tool generating a compiler front-end from a Labelled BNF grammar. It is currently able to generate C, C++, C#, F#, Haskell, Java, and OCaml, as well as XML representations.