Custom development and installation of community tools can be expensive. Luckily, several free alternatives exist. These are remotely hosted and are often customizable. Check out Everyone.net , CoolBoard and Beseen . A foreign exchange calculator allows you to quote prices in many currencies.
Online surveys are fun.
I certainly can't resist them. And if you choose your questions carefully, you can find out exactly what visitors want from your business. A time zone clock is invaluable to people doing business globally. It can be a deciding factor in prompting a visitor to bookmark your site. Other examples are WT5 and World Time Clock .