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This book constitutes the refereed proceedings of the 8 th 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. They were organized in topical sections named: software startups and platform governance; software business development; software ecosystems and App stores.

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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?.

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