Example of CLIPS interpreter running an expert "sommelier"

clips

"C" Language Integrated Production System

CLIPS is an OPS-like forward chaining production system written in ANSI C by NASA. The CLIPS inference engine includes truth maintenance, dynamic rule addition, and customizable conflict resolution strategies.
3D Virtual Globe

worldwind

3D Virtual Globe

Chemical structures editor

bkchem

Chemical structures editor

BKchem is a free chemical drawing program, which is written in Python.
Develop bots for the infon game

infon-devel

Develop bots for the infon game

displays bandwidth usage information on an network interface

iftop

displays bandwidth usage information on an network interface

iftop does for network usage what top(1) does for CPU usage. It listens to network traffic on a named interface and displays a table of current bandwidth usage by pairs of hosts. Handy for answering the question "Why is my Internet link so slow?".
sudo frontend for KDE

kdesudo

sudo frontend for KDE

KdeSudo is a graphical frontend for the sudo utility, which allows users to run programs as root (or another user) by giving their own password.