The Gordium challenge to scientific programmers An essay discussing the state of software design in the scientific community.
molscript: Per Kraulis' Molscript
molscript/povscript+ help: Excellent page by David Cooper regarding molscript/povscript+, with many examples, tutorials and general tips.
Paul Bourke's page: Home of many CG algorithms/hints/tips
Pov4Grasp: native GRASP support for povray
POVRay: the Persistence of Vision Raytracer
GTS The GNU triangulated surface library
GTK/Glib GIMP Toolkit
Dan Peisach's page: Home of the original Povscript