About the topic of Zremesher for Blender 
Well it looks like he is working on it perhaps ?
But is concerned about the GPL license
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According to some tests that users did some years ago, Instant-Meshes was the closest thing to ZRemesher that we had when it comes to OpenSource. Still, ZRemesher apparently is much more configurable and gives better results.
There are some addons to facilitate export/import between Blender and instant-meshes
No, not in general.
It may be disturbing for a brush like smooth brush.
It is really something to limit to some brushes.
It would be a good default for Clay Strips, Layer, Blob, Inflate, FIll, Pinch.
For brushes with closed behavior, like Scrape and Flatten or Dam and Crease, it is probably possible to choose one brush to have option ON by default and the other one with option OFF.
Default mapping of a brush texture is view plane. That is one reason why I would not use it as default for Draw brush. And if bug with Line Stroke method can not be solved easily, that is another reason to keep this default brush with option OFF.
IMO, Clay brush would benefit of more pronounced fading. That why I would let world spacing option OFF for this one, too.
The world spacing option does not seem to have an impact on brushes using Dot method by default. So, I would let it OFF for them, too, in case, user decides to change the method to Line.
To sum-up, in most cases, I would let the World Spacing option OFF by default.
But I would enable it for almost half of default brushes.
I was concerned about this the moment I saw the discussion. I’m sure he won’t risk giving his code (which is the best in the market when it comes to auto retopo) to people who buy it, especially considering it would affect not only Blender’s side of things, but all the other platforms he is targeting.
Is there any way he can make an addon just to send to an outside executable that doesn’t need to be GPL compliant?
I have read that there are some black holes from what could be exploited, but that they could equally take it to a court.
I understand the desire of some users to have ZRemesher in Blender. But do not lie to the guy. If he is worried about GPL licensing, Blender is not the best place to do business for him.
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There’s really no problem to transfer a file or use a network socket. RizomUV works very well with Blender, even if it’s a non-GPL paid product. Especially if in future we will have faster import/export for .OBJ files, it will be non-issue. Same thing for baking with Substance, you can create a Blender addon to use a baker.exe (for example) and simply give it command line parameters and paths to files.
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That’s great to hear, thanks a lot ambi! I’ll try to point it out to the developer.
Just a reminder: I’m not a lawyer and this is not legal advice.
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Hmm, right. This should be only an importer/exporter. Perhaps what I had read is about things integrated into Blender or using Blender API.
Am I the only one that thinks Instant Meshes is janky?
I mean it still gives triangles and solving it is just making it more messy
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Hey, who is that handsome guy in the middle?
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Yep, but QuadriFlow — as promising as it sounds — can’t compete with ZRemesher. Basically, QuadriFlow is a variation on Instant Meshes.
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Yeah, of course, I just thought maybe you missed that post… 
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That looks great.
There are no fresh builds floating around? 
Ah I didnt know, I knew QuadriFlow smelt a bit fishy but wasnt too bad
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Ah lol I didn’t realise
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Not yet, I guess…
If you are on windows I updated mine on Graphicall yesterday with the latest commits 
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