Health data is essential for advancing research and improving patient care, emphasizing the need for secure, interoperable infrastructures that enable seamless access to healthcare systems. SMART on FHIR is a framework that ensures secure data exchange by specifying APIs for authentication and authorization between applications and healthcare systems. Through a review of academic and non-academic sources, we identified open-source, vendor-neutral implementations of SMART on FHIR infrastructure, including the Alvearie Keycloak extension and the LinuxForHealth FHIR server as promising components. These solutions were prototypically implemented in a reference infrastructure to evaluate their feasibility. Despite their potential for experimental use, limitations in compatibility and functionality underscore the need for ongoing community-driven development to enhance interoperability, reduce costs, and foster innovation in healthcare.