The Wollebol app lets you visualize dependencies between classes in your project's package structure.
It is language-agnostic, but you need to generate the dependency data yourself. For Java projects, a helpful Python script (wollebol.py) is provided.
github: https://github.com/denshade/wollebol/
demo: https://thelaboflieven.info/wollebol/
Show HN: Wollebol a Simple Dependency Visualizer | Heykuki News