NodeGraphQt is a node graph UI framework written in python using Qt.

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