Many organizations with large legacy application landscapes can no longer postpone a major overhaul of their IT. But how do you avoid creating tomorrow’s legacy today all over again? And how do you spend your IT budget in the most sensible way? Next to appropriate design and development practices (e.g. enterprise architecture, agile and DevOps, as we addressed in our previous blog) you need to manage your application portfolio as a whole, to decide where it is most important to invest.