Various POV-Ray include and scene files:
An include file with 30+ functions for manipulating patters or isosurfaces and that may also be useful for animations.
Meshmerizing Mesh Generation Macros. Since 3.7 included in the POV-Ray distribution. Here with a few changes.
A syntax highlighter for POV-Ray SDL to HTML, written in Python.
The position of the sun at a given date time an location on earth, with updates by Stephen Parke.
A python program that runs Voro++ with an input file and converts its output to an include file.