The Open Geospatial Consortium, Inc. (OGC) and the Open Source Geospatial Foundation (OSGeo) have had longstanding activities in the advancement of open geospatial standards (OGC) and open source software (OSGeo). A Memorandum of Understanding (MOU) has existed between OGC and OSGeo since 2008.
History:
2008: initial MOU signed in Valencia, Spain, at the OGC December Technical Committee meetings
2022: updated MOU signed (press releases from OGC and OSGeo)