Integrated Design Process BIM – Building Information Modeling – is a process where all the information on the building at any cycle of its realization starting with the primary project concept until its demolition is created and managed. BIM includes all the design geometry of the building, dimensional connection with environment, lighting analysis, geographic information, quantity and quality calculations of the building components, energy indicators of the building and their optimization, as well as the infrastructure of the building (water supply, electricity, communications, etc.) Having an objective to unite all the participants of the construction project for common work it is necessary to ensure compatibility of the software used by any of them. Wishing that BIM process becomes popular and an everyday phenomenon it is necessary to move towards uniform software standards. This particular initiative was named OpenBIM that was launched by an international nonprofit organization buildingSMART International and by a number of BIM software companies: Tekla, Graphisoft, Nemetschek and DDS-CAD.