What are the best UV (unwrapping software) programs?

[fashion]

...and which offer permanent non-restrictive licenses to the their end users?

Which might be most compatible with Lightwave and other 3D software programs?

I think @erikals briefly discussed one of them in another thread way back.
Here's a brief summary of a few:

 

[erikals]

RizomUV is probably the only really good option.
perpetual at €150 or so.

but i use 3DCoat mixed with LightWave.
works quite alright.
LightWave UV - https://www.youtube.com/c/erikals/search?query=UV