Where is ruby used as a scripting engine?

Question

This is a general research question. Where is ruby used (or usable) as a language for scripting inside a larger application. The goal is to see real-world examples.

So far the list includes: 1) Google Sketchup 2) Vim (some other text editors)

Answer 1

RPG Maker Series!

Google it until i add info (on my phone, please excuse me)