Next is a Java Web framework, based on Spring and Hibernate, it aims the fast development and high productivity. It was born from the older brother Neo Framework. Features several utilities that makes web development easier.
Clirr is a tool that checks Java libraries for binary and source compatibility with older releases. The Clirr Ant task can break the build if it detects incompatible api changes, making it easy to prevent accidental introduction of compatibiliy issues.