Gen3 Data Commons DCF Sandbox. DCF Sandbox: Explore, Analyze and Share Research Data. The Data Commons Framework (DCF) supports the management, analysis and sharing of many different types of biomedical data for the research community with the goal of accelerating research in the molecular basis for disease and matching targeted therapies that factor in each patient's unique biology. Prompt display to Login from Google. If you have questions about access or the registration process, please contact support@d