This book constitutes the refereed proceedings of the 8th International Conference on Software Business, ICSOB 2017, held in Essen, Germany, in June 2017. The 11 full papers and 5 short papers presented in this volume were carefully reviewed and selected from 30 submissions.

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 Callto 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?.

This book constitutes the refereed proceedings of the 8th International Conference on Software Business, ICSOB 2017, held in Essen, Germany, in June 2017.The 11 full papers and 5 short papers presented in this volume were carefully reviewed and selected from 31 submissions. They were organized in topical sections named: software startups and platform governance; software business development; software ecosystems and App stores.