IFC Exporter for Revit - at SourceForge.net
2013 UI - This contains the IFC alternate Exporter UI for Revit installer compatible with the Revit 2013 series of products. There is no Revit 2012 version of this UI. This replaces the default IFC Export UI in Revit, and adds new functionality such as saving export configurations, and new export options such as saving to ifcXML and ifcZIP file formats.
2013 - This contains the IFC Exporter for Revit installer compatible with the Revit 2013 series of products. For more information on the difference between 2012 and 2013, check out the [What's new in 2013] section of the Wiki accessible from this site.
Looking for the latest version? Download IFC Export UI for Autodesk Revit 2013 v1.1.0.msi (561.7 kB)
Revit Norge: Ny open source IFC-exporter til Revit 2013