JDiff is a Javadoc doclet which emits an HTML report of all the packages, classes, methods, and so on, which are different (the "diff" part) when two Java APIs are compared. Great for reporting what has changed between two releases of your product.
The Maven JSTools Plugin provides a Maven interface to a set of JavaScript reporting and documentation tools like JSDoc Toolkit and JSLint, along a simple approach for building JS artifacts and use them as dependencies in your Maven-based projects.
An extremely minimalistic Reporting Software for JSP / Servlet Applications.
The current implementation supports RTF reports (based on templates) and CSV reports.
A "ready to use" servlet to download the reports is included.