PMD is a source code analyzer. It finds common programming flaws like unused variables, empty catch blocks, unnecessary object creation, and so forth. It supports Java, JavaScript, XML, XSL. Additionally it includes CPD, the copy-paste-detector. CPD finds duplicated code in Java, C, C++, C#, PHP, Ruby, Fortran, JavaScript.
Our latest source of PMD can be found on GitHub. Fork us! The current status of this repo can be seen at BuildHive.
More information can be found on our Website and on SourceForge.