Modular Security application. This application will be a full Grails plug-in. It will handle, users, groups, roles, permitions and logging of user actions.
Timesheet is an agile application made with Groovy&Grails that can be used to keep track of time spended in projects in a human way, chatting with users via Google Talk
grails webapp to manage / display organizational charts
goeCMS is a rather complete (yet basic) Content Management System written over the Grails web framework. It already implements all the basic functionality for management of users, sections, articles, blocks, forums etc.