Ratpack is a simple, capable, toolkit for creating high performance web applications for JVM.
Ratpack is built on Java and the Netty event-driven networking engine. The API is optimized for Groovy and Java 8, though Java 7 can also be used.
Optional Google Guice integration provides a foundation for scaling your application in size in a managed way.
Optional Gradle build time support makes building and testing applications a breeze.