NodeGraphQt is a node graph UI framework written in PySide2
that can be re-implemented.
NodeGraphQt is available on The Python Package Index (PyPI) here so it can be installed with:
pip install NodeGraphQt
or you can download previous versions from the releases page.
https://jchanvfx.github.io/NodeGraphQt
See the basic_example.py script to get started or check out the API example overview here.
https://jchanvfx.github.io/NodeGraphQt/api/examples/ex_pipe.html#layout-direction
https://jchanvfx.github.io/NodeGraphQt/api/examples/ex_pipe.html#layout-styles
https://jchanvfx.github.io/NodeGraphQt/api/custom_widgets.html