The European Workshop on Software Ecosystems is an annual event which connects researchers and fellow professionals in the field of software ecosystems. Presentations in 2016 included: Roger Kilian Kehr, Huawei Huawei Connected World based ICT ecosystems Abilio Avila Management of Partner Ecosystems in the Enterprise Software Industry: The Partner Selection - A Comparison of Partner Selection Criteria with Existing Literature Matthias Walter How to define a platform business model with the platform business model canvas Christopher Jud The Influence of Platforms on Software Products Maximilian Schreieck Analysis of Platform Governance in the Internet of Things Dominik Dellermann, Christopher Jud Towards Vivid Ecosystems: Configuring Costs and Benefits via Design Choices Ralf Meyer Impact of restrictive legal and license conditions on software ecosystem success Slinger Jansen Ecosystem Driven Development