Formats Discussions on concrete representations as used in openEHR, e.g. JSON, JSON-schema, XSD/XML, other. Platform Discussions on openEHR platform (back-end, services) implementation. REST APIs spec; Abstract platform spec (PIM) Web archive of openehr-implementers mailing list. Apps Discuss app(lications) development, typically using openEHR APIs and AQL. Covid-19 For openEHR Covid-19 application development. Integration Discussions about implementation of integration components in openEHR products. See Integration/xx categories to discuss mappings, semantics etc. Tools Discuss development aspects of tool-building, e.g. tools for building archetypes, templates, guidelines, task plans and more.