Here are a few shots of RDQLPlus. A few more can be found in the tutorial.
A graph of friends (Windows XP)
Querying an inference graph (Mac OSX)
A couple graphs at once, with the command window in the background (Windows 2000)
The command history window (Windows XP)
Over 600 statements in an inference graph with an arrow pointing to the ones we're interested in (Windows 2000)