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.
Silicon Studio: GDC 2015 Trailer
This is a video showcasing the technology Silicon Studio will demonstrate during the GDC 2015 event. The company will show a variety of live demos. The visitors of the expo will get acquainted with Yebis 3, Mizuchi and Paradox software.