Software Startups and Platform Governance -- How Are Product Ideas Validated? The Process from Innovation to Requirement Engineering in Software Startups -- Acquisitions and Growth of Software Startups: The Dual Role of Venture Capital as a Success Factor -- Governing Platforms in the Internet of Things -- Software Business Development -- Pricing of Data Products in Data Marketplaces -- Knitting Company Performance and Board Interlocks: An Exploration with the Finnish Software Industry -- Modeling Strategic Complementarity and Synergistic Value Creation in Coopetitive Relationships -- Business Model Exploration for Software Defined Networks -- Software Ecosystems and App Stores -- How do Software Ecosystems Co-Evolve? A View from OpenStack and Beyond -- Health Measurement of Data-Scarce Software Ecosystems: A Case Study of Apple’s ResearchKit -- Coopetition of Software Firms in Open Source Software Ecosystems -- Mobile Software Security Threats in the Software Ecosystem: A Call to Arms -- Short papers -- Experimentation that Matters: A Multi-Case Study on the Challenges with A/B Testing -- Why Do Users Install and Delete Apps? A Survey Study -- Evolving Software Products, the Design of a Water Resource Modeling Software Ecosystem -- Towards Understanding Startup Product Development as Effectual Entrepreneurial Behaviors -- Should we be Thanking Microsoft, Apple and Google for their Contributions to Open Source Software?.