I love World Creator, especially the vegetation distribution pipeline. You can create some very realistic fields with it. Im going to check out impostors too - ive seen it a few times and wondered what it's about.
Stupid Rental. My Zbrush that I haven't paid for an update in years and is perpetual Trumps that on all counts.
Godot Engine Testproject
A demonstration of a test project created with the help of open-source game engine Godot. The user points out the easy usability and the functionalities this software has to offer.