Have a look at http://www.grails.org/plugin/tropo-webapi-grails
tomwallace/tropo-webapi-grails
Grails plugin to develop applications powered by Tropo Webapi
GroovyMIT
Grails plugin to develop applications powered by Tropo Webapi
GroovyMIT
Have a look at http://www.grails.org/plugin/tropo-webapi-grails