Health Systems Evidence is produced by McMaster University and is available here.  It describes itself as “A newly re-designed, easy to search and continuously updated online repository of research evidence about governance, financial and delivery arrangements within health systems, and about implementation strategies that can support change in health systems. Over time Health Systems Evidence will also contain a continuously updated repository of economic evaluations in these same domains, descriptions of health system reforms, and descriptions of health systems.”

Free registration is required to use it and  a summary of how do so so is available. In addition to being able to search it, you can set up automatic updates using governance, finance, delivery, implementation, diseases, technologies or sectors as update criteria.   The countries that studies were conducted in are indicated, and it is international in coverage.