Xbim.Essentials (nuget): xBIM Essentials 5 provides support for IFC2x2, IFC2x3, IFC4 Addendum 2 and IFC Alignment (IFC4x1). 			xBIM can open, create or modify any IFC file format, including XML, STEP21 and IFCZIP formats. 			All programmatic access to IFC Entities is through a single interface, allowing one code base to work with all IFC formats and schemas. 			Ifc4 is the default interface future proofing your development work.
Keywords: BIM|IFC|IfcXml|IfcZip|Ifc4|COBie|.Net|XBIM|WexBIM|BuildingSmart