Mermaid

* [Mermaid Diagramming and charting tool](https://mermaid.js.org/) * [ER diagrams with SQL and Mermaid](https://www.cybertec-postgresql.com/en/er-diagrams-with-sql-and-mermaid/)

Python Data Visualization

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pycallgraph

Python Call Graph is a Python module that creates call graph visualizations for Python applications.