"Where's the nearest town? Where is that noise coming from? Which way did the thief run? Which direction is the wind coming from? When the guy manning the catapult critically fumbles, where does the big rock go?" All these and more are questions that can be answered by the Random Compass.
The program is written in .NET, so it should work on all recent versions of Windows and quite a few *nix boxes and Macs as well. (Assuming you have an emulator; the generator packs have been tested on Mono on Mac and Wine on Linux and worked on both, though there are some slight glitches on Wine.)