O'Reilly Media book: Programming Grails

Programming Grails:
Responding to the demand for more in-depth Grails coverage that goes beyond the typical use cases, this book helps experienced web developers learn Grails best practices for building and deployment, debugging and problem solving, creating and using Grails plugins, as well as testing, security, performance, scaling, tuning, and monitoring.

Catalyst, the MVC framework in perl

I recently came across Catalyst, an MVC web application framework, written in perl, let's say it's competing against Ruby on Rails and Grails. But (as it's written in perl) it can make use of the vast resources on CPAN.
To be continued.

WeFind uses Grails, right?

Yet another search engine, but what's special about it, I mean from a developer point of view? It's implemented using Grails. Well, yet another MVC approach in yet another esoteric language. Well, guys why just don't you use an ordinary language like Perl, and why just don't you use Catalyst? Somebody should have told you.