Is there a lightweight software solution for integrating use cases?

[poliq]

Is there a lightweight software solution for integrating use cases involving serveral legacy systems in a new, simple web UI?

[rivzz]

Not really. Front ending one system is hard. Doing it with more would be very hard.
Would need more info to be more helpful. Do they have Web services

[crabby]

Hi there, I am not an expert but I think that you can start from reading this article about integration of legacy systems and make sure you understand the topic. Believe me I know what I am talking about. They helped my firm a lot to become one of the most successful in the region. Hope it can help