So it is a much bigger world than people seem to remember, when you join the B3D ranks
You are ours now. You bought d3b, next you will buy a particle engine. You might resist, you might fight with all your will. But in the end you will be begging for an update to Grass Magic.
Sprite Candy, Particle Candy, Swifts Shadow System, Gile[s] (see NNC radioactive environment - all real-time in B3d, my own small particle engine (see ss GB), Barliesques wonderful light flare routines, 3D World Studo (Leadwerks), Pacemaker, BCF 3.0 and TerraEd, Treeg Magic Professional
IPete2 is right, but one thing that he didnt make clear, is that if your fancy takes you in that direction, every single one of those products could be written by you.That is they dont have any fancy c++ or os codes embeded within them.
If you have lots of time and little money you could write an addin just as good as say Swifts shadow system. And more importantly, if you asked for help whilst doing it, swift would probably help you.