EHR-Gen Open Framework is a generator of electronic medical record systems based on openEHR standard and dynamic technologies like Grails Framework and the Groovy language.
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Opereffa stands for openEHR REFerence Framework and Application. It is a project for creating an open source clinical application which will be driven by the Clinical Review Board of openEHR. The clinical application will be built on top of a Java based open source framework, which is using the existing open source Java reference implementation of openEHR.
This web site contains information about the project, source code and binaries, and finally a demonstration of the current state of Opereffa.