During the last three years, the FP7 project Wf4Ever (www.wf4ever-project.org) led by the Spanish SME iSOCO, with partners University of Manchester, Universidad Politécnica de Madrid, Poznan Supercomputing and Networking Center, University of Oxford, Instituto de Astrofísica de Andalucía y Leiden University Medical Center, has researched new methods, models, and tools to make this vision possible, with special focus on the preservation and conservation of workflows and the scientific experiments they implement.