Plugins You can find out about all the publicly available Grails plugins.

ReCaptcha support for Grails.

9 votes

Protect your website from spam and abuse while letting real people pass through with ease. Version 1.0 of this plugin introduces support for the new "checkbox" ReCaptcha. Please use an older version if you require the legacy functionality.

This plugin uses the ReCaptcha Java library available from Read more

Dependency :
compile "org.grails.plugins:recaptcha:1.7.0"

 Documentation  Source  Issues

Spring Security OAuth plugin

4 votes

Adds OAuth-based authentication to the Spring Security plugin using the OAuth plugin. This plugin provides an OAuth realm that can easily be integrated into existing applications and a host of utility functions to make things like "log in with Twitter" almost trivial. Read more

Dependency :
compile "org.grails.plugins:spring-security-oauth:2.1.0-RC4"

 Documentation  Source  Issues

Url Without Scheme Validator Plugin

2 votes

The Url Without Scheme Validator Plugin allows to use custom validator that validates the URLsbut - different than standard validator - does not care if the scheme is provided or not.Moreover, it can be used like "first-class", built-in validator. Read more

Dependency :
compile "org.grails.plugins:url-without-scheme-validator:0.2"

 Documentation  Source  Issues