This replication package contains all information and sources used in the evaluation of the GECO research project. For resources on github, we provide the necessary github URL and, if available, Eclipse update sites. For software based on git repositories, we also provide the revision id of the used software, as other revisions might produce other results. Software Setup Eclipse Mars Xtext 2.9 and tooling including Xtend Kieler Release 2016-02 http://www.rtsys.informatik.uni-kiel.de/en/research/kieler/ Architecture Evaluation Tooling github repository https://github.com/rju/architecture-evaluation-tool Eclipse update site https://build.se.informatik.uni-kiel.de/eus/se/snapshot/ Additional software relevant to setup the case studies are listed in their respective README files. Directory Structure menges/ all sources and data for the embedded control system case study based on the MENGES project cocome/ all sources and data for the information system case study based on CoCoME