MOSE MakeObj Script Engine is a scripting engine for the Simutrans Tool "makeobj". With a Shell like scripting language big addons (called paks) set could be compiled for Simutrans.
Dungeon Shell is a shell for D20 Dungeon Masters. Simple commands allow DM to manage a game session and track characters and monsters statistics. It is written in Java (1.4.0 at least). Data is stored in XML and you can script it with j[p]ython.