This service is the central access point to data, methods, and services for social mining and big data analytics. It brings together datasets, analytical tools, and workflows produced by the research infrastructure. The catalogue promotes responsible and ethical data use by providing metadata, documentation, and access conditions aligned with privacy and legal requirements. It enables discovery, reuse, and comparison of resources across disciplines. By fostering openness, interoperability, and reproducibility, the SoBigData Catalogue helps transform large-scale digital traces into actionable scientific and societal insights.