Jalopy is a source code formatter/beautifier/pretty printer for the Java programming language. It is aimed to provide a full-featured, yet free alternative to the well-known Jindent. Plug-ins for Ant, Eclipse, IDEA, JBuilder, JDeveloper, jEdit, NetBeans.
A refactoring tool for the Java programming language, it includes the JavaStyle pretty printer, a UML java class diagram viewer, a coding standards checker and computes program metrics. Plugins for jEdit, Netbeans, JBuilder and other IDEs available.