As the economy contracts it can be useful to know that you are receiving all the benefits to which you are entitled. It is notoriously difficult to navigate all of the Government's different benefits.
This site is the best at identifying your entitlement to them all. It is simple and very easy to use and harvests no personally identifying information from you during the calculation, so is safe to use.
The link to the site can also be found in the Links Section of this site under Useful Sites.