Denis B. Roegel
Add several kinds of guillemets to the ae fonts
METAPOST macros for the reproduction of Garrigues' Easter nomogram
A compilation genealogy font
LaTeX macros for using WSUIPA fonts
METAPOST package providing high-level objects
3D animations
Calculate pi
METAPOST macros for drawing Chinese and Japanese abaci
Check and correct checksums of TFM and PK files
Truchet tiling in METAPOST