Since the LoU official forums are still offline, thought I'd post links to some useful tools while I can still find/remember them:
Firefox city summary extension:
Current Version: http://www.bloodscape.net/~personal/lous_v14a.xpi
Project Home: http://code.google.com/p/lousummary/
External statistics (including nifty maps... when they work)
http://lordofultima.kilu.de/
Flash city planner (the short URL links function well in the ingame forums):
http://www.lou-fcp.co.uk/map.php