The Transparent Message plugin for Grails integrates Humanized Messages, a JavaScript-based system for non-modal notifications.
This plugin is a complete and easy tag cloud generator. As simple as you need only one tag to generate a tag cloud.
The Concordion plugin provides a convenient integration between the Concordion framework and Grails applications.
This plugin provides a base Spock specification for testing equals and hashCode methods. You can use it to test both Grails domain classes and other Groovy objects.
This plugin provides Spock extensions that allow specification and feature method inclusion and exclusion depending on the Grails execution environment.
Extra rules for Codenarc (already donated to the Codenarc project).
Koans focused on Groovy metaprogramming capabilities.
Convenient scripts to automate some recurrent tasks.