What's your favourite Freeware, OpenSource Progz?

[Taron]

Once you add a "fantasy" component like aging, the idea is lost of course. Anyway, in my own example what came out was clearly not me. It was quite a lot prettier than me...

https://moiscript.weebly.com/modlumi.html

Look this ! My friend make that!
A free Plugin of the OpenSource: IngeTrazo (Sketchup like) https://ingetrazo.com/en/extensiones
Transform it with Ai in Ruby language so .rbz file!
You can reload it and use it inside free SU 2017!
Works like a charm! My try!