the developers of Tokyo Tyrant suggest to use Kyoto Tycoon instead, as it is vastly superior in most aspects (see here: http://fallabs.com/tokyotyrant/ ).
Tokyo Tyrant has not been updated in nearly 6 years.
On the other hand, FAL Labs last updated Kyoto Tycoon nearly 4 years ago, so maybe it's best just to leave both of these behind.