The Cardiovascular Research Data Catalogue is a web-based catalogue that provides information on cohort studies and variables related to cardiovascular diseases. It currently includes data from 33 individual studies and 2 harmonization initiatives, involving over 1 million participants from 16 countries. The catalogue contains various types of data sources, such as physical measures, questionnaires, and imaging. The metadata and access information for person-level data are freely available without authentication. The catalogue aims to facilitate the discovery and sharing of data for cardiovascular research. [Extracted from the article]