The Open Source Business Alliance – Federal Association for Digital Sovereignty (OSB Alliance) is the association of the Open Source industry in Germany. The OSB Alliance represents around 170 member companies that employ around 10,000 people in Germany and generate more than 1.7 billion euros annually. Together with scientific institutions and user organizations, we are committed to sustainably anchoring the central importance of Open Source software and open standards for successful digital change in the public awareness. This digital transformation should benefit companies, the state and society alike. In addition, innovations in the field of Open Source should be driven forward. Our goal is to establish Open Source as a standard in public procurement and in research and business development. Because Open Source and open standards are an imperative basis for Digital Sovereignty, innovative ability and security in the digital change and thus the answer to one of the greatest challenges of our time.