Not off-topic at all. 
There’s basic SDF support in Geo Nodes. The free SDF Prototyper add-on and the commercial Blob Fusion add-on make use of that functionality.
The current SDF implementation in Geo Nodes live-converts the SDF math into geometry via a grid method like OpenVDB, so things can quickly slow down once they get a bit more detailed.
Ideally, a new initiative would add a ray-marching renderer to Blender, so SDF volumes would not need to be meshed, as in MagicaCSG, and as in the ConjureSDF Blender add-on.