NetBeans-Platform-Dependency-Grapher is a project mainly written in Python, it's free.
Visualize the dependencies in a non-Maven NetBeans Platform project
2011-02-10
This project aims to visualize the intermodule dependencies that exist in a NetBeans Platform project. While there is a builtin way to view Maven project dependencies, there is nothing to visualize the dependencies of non-Maven based projects.
Depends on having lxml support; run
easy_install lxml