This festschrift volume, published in honor of Manfred Nagl on the occasion of his 65th birthday, contains 30 refereed contributions, edited by five of his academic descendants. The types of papers vary significantly, including classic research papers in the style of journal articles, surveys of focused research areas, essays reflecting on certain research topics, and papers summarizing long-term work conducted by Manfred Nagl. The volume is structured in five parts: graph transformations, software architectures and reengineering, process support, embedded systems engineering as well as engineering design applications.