Modeling Tools links

Modeling tools:
http://3dnow.informe.com/some-free-modeling-tools-dt28.html

Sculpt Tool "Sculptris":
http://www.drpetter.se/index.html

Compositor "Ramen":
http://ramenhdr.sourceforge.net/

Procedural texture generation:
http://www.fxgen.org/

Game Creator:
http://www.scirra.com/