VistaPro Renderer is an application (or website) that is designed to help users create realistic 3D landscapes. It is capable of producing stunning visuals with a wide range of features, including terrain textures and lighting effects. It is also able to generate realistic animations and fly-throughs of the environment. VistaPro Renderer is suitable for both professional and amateur use and is particularly useful for creating virtual tourist destinations, video games, and architectural renderings.
Discontinued No recent releases since 2010. See https://code.google.com/archive/p/picogen/downloads
Discontinued Last updated 2007. See http://nemesis.thewavelength.net/index.php?p=11
The discontinued Steam page is dead, there is no way to purchase or download this product.
Terragen
Vue
Picogen
World Machine
Bryce
Acropora
Outerra
Nem's Mega 3D Terrain Generator
Geomorph
EarthSculptor
PnP TerrainCreator
Visual Nature Studio
DreamScape
Graphite
Grome
Natural Scene Designer
World Construction Set
Raiseland
L3DT
VizTerra
It's a bit more complicated to set up your landscapes through an outline editor that works for both heightmap and color texture maps. Much more complicated but in the end it is very versatile.