Round Timer - Rich Waugh's program to time Duplicate Games on a computer.
It is highly configurable.
NOTE: To make it run full-screen, change your monitor resolution to 800x600.
Board Calculator - a small utility by Rich Waugh to show the dealer and
vulnerability on any board. Contrary to popular belief, you cannot use boards
1-3 for boards 37-39 - the dealer and vulnerability are incorrect.
Scoreit - Freeware score calculator by David B. Howorth. Scores rubber,
matchpoints and IMPs.