How to Predict Response Propensity

The whole process is mainly trying to predict the response propensity. And are there any useful software tools that can help you do these processes? Now, we were using the package called MESS, multiple imputation where change equations. But we also look at other options like MI and one of the causes for it is also the multiple imputationWhere change equations. There are also the standalone imputation software like every UBEIR. That is stated in the University of Michigan's Area Research Center.