An Empirical Study of the Relation Between Strong Change Coupling and Defects Using History and Social Metrics in the Apache Aries Project -- Scaling and Internationalizing an Agile FOSS Project: Lessons Learned -- How Developers Acquire FLOSS Skills -- Implicit Coordination: A Case Study of the Rails OSS Project -- The Diffusion of Pastebin Tools to Enhance Communication in FLOSS Mailing Lists -- Examining Usability Work and Culture in OSS -- On the Availability and Effectiveness of Open Source Software for Digital Signing of PDF Documents -- A Systematic Approach for Evaluating BPM Systems: Case Studies on Open Source and Proprietary Tools -- Smart Route Planning Using Open Data and Participatory Sensing -- A Qualitative Study on the Adoption of Open Source Software in Information Technology Outsourcing Organizations -- Surveying the Adoption of FLOSS by Public Administration Local Organizations -- The RISCOSS Platform for Risk Management in Open Source Software Adoption -- First Results About Motivation and Impact of License Changes in Open Source Projects -- On the Variability of the BSD and MIT Licenses -- The Right to a Contribution: An Exploratory Survey on How Organizations Address It -- Open Source Software Ecosystems: Towards a Modelling Framework.