LiquidMaya is a Maya to Renderman plug-in that handles full Renderman output support with a focus on speed, efficiency, and extensibility. Its features include procedural rib generation, full network rendering support, segmented rib files, a shader assignment interface, and much more. Along with the ability to write full C++ plug-ins, it is incredibly easy to script Liquid with Mel. Liquid was used for the visual effects of the "Lord of the Rings" movie.
Pike ScriptRunner allows you to run scripts written in Pike under any FastCGI-enabled Web server. It provides request parsing and I/O handling, enabling you to get right to the task of writing your code. It is a dynamic object-oriented language with a C-like syntax and a number of features that make it desirable for rapid prototyping and deployment of Web applications.