My software:

Easy Job timer (shareware)
Easy job timer is a timing application that allows you to track the time you spend on tasks for clients or other activities.

Dragon Draughts (freeware)
Dragon plays 10x10 international draughts at grandmaster level.

Exact backgammon bearoff (freeware)
A computer program that does exact computations in backgammon bearoff positions.

The onager simulator (freeware)
The onager simulator calculates all aspects of a roman onager, such as the projectile acceleration during launch and almost 20 other physical parameters that you may need to design an onager.

Personal pages:

The baby onager project
Photo's of a small onager (roman catapult)

Other links:
The Grimminck / Grim Family Reunion August 2003 in Lewedorp

, 25 jun 2001,