We would need to know as much as possible about those applications. For example, do they require a certain computer platform to run on? Our software runs on Windows and cold fusion.
There are some situations where you may be able to run the application on your existing server and tie into it from your membership site. We would need to know as much as possible about the application including if you can provide us with a username and password if required so that we can fully explore it. Then we'll be able to determine whether it would work or not.