Intermediate Macroeconomics (by J. Garın, R. Lester, and E. Sims)
Link.
Advanced Macroeconomics: An Easy Guide (by F. Campante, F. Sturzenegger, and A. Velasco)
Link.
James Nason
Link. Advanced lecture notes and reading lists on financial frictions in macroeconomic models, as well as empirical and computational methods for evaluating monetary policy.
Federal Reserve Economic Data (FRED)
Link. Online database of economic time series data from various resources.
Macroeconomic Model Data Base
Link. A user-friendly archive of macroeconomic models. The platform offers more than 150 structural macroeconomic models that you can compare across several dimensions.