B2i Healthcare develops extensible open-source frameworks and tools to simplify the exchange of healthcare information. By developing robust commercial-quality tools for healthcare standards such as HL7, B2i supports governmental and industry initiatives to lower the barrier to building a healthcare infrastructure. Our tools are used by standards organizations and their implementors around the world for creating, maintaining, and conformance testing electronic health records (EHRs). Many of these tools are developed as sponsored open-source through the English National Health Service (NHS) Connecting for Health (CFH) program, the HL7 (Health Level 7) Tooling Collaborative, the Eclipse Open Healthcare Framework, and Open Health Tools. Our work in this area includes EHR instance validators, EHR model conformance test tools, and graphical EHR model comparison tools.