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I think Blender is worth an honerable mention. :)

Geometry nodes, part of «everything Nodes», is pretty interesting: https://youtu.be/kMDB7c0ZiKA

The blender game engine, Armory3d, supports node based scripting as well.

Good point. If we add blender we also have to add Houdini I guess :D

Da Vinci Resolve, Unreal Engine, everything is going node based.

Agreed, many VFX graphics programs are node based - two more would be Nuke and Katana from The Foundry.

Natron would be an open source clone of Nuke, similar to how Gaffer is essentially an open source clone of Katana

Also Dynamo[0] and Grasshopper[1]