I use it in a number of projects. I did rails dev for years, and Grails is very easy to pick up if you have rails+java experience. Groovy is also a great langua

I use it in a number of projects. I did rails dev for years, and Grails is very easy to pick up if you have rails+java experience. Groovy is also a great language. Add Vaadin for front-end dev and it can be a very fun, productive stack to use.