Online Macroeconomic Econometric Models

Cambridge University Small UK Model (CUSUM): This site contains a description of a small macroeconomic model of the UK economy. Forecasts from the model are available at this site.
FAIRMODEL: FAIRMODEL contains a simultaneous equations model of the U.S. macroeconomy consisting of 131 equations and a separate multicountry model consisting of 328 equations. Visitors to this page are able to use this model to construct forecasts, simulate the results from alternative policies, and graph the results. Data and forecasts can also be downloaded from this page
Kokumin Keizai Research Institute's econometric model of Japan: The site contains a macroeconomic econometric model of the Japanese economy.