OpenMRS is an open source medical record system platform designed for use in developing countries. It has a central concept dictionary that defines data collected and allows interoperability. Key features include form design and entry, a modular architecture, and support for standards and internationalization. The OpenMRS platform is community-driven and has evolved based on real needs, with contributions from around the globe. It can be used for clinical care, research, and as a shared health record, and various modules and tools expand its functionality for areas like analysis, reporting, and interoperability.