Skip to content
@buildingSMART

buildingSMART

buildingSMART is the worldwide authority driving the transformation of the built asset economy through creation and adoption of open, international standards.

Welcome to buildingSMART International!

About buildingSMART International

buildingSMART International (bSI) is a non-profit organization leading the global development and adoption of digital open standards in the construction and infrastructure industries. Our mission is to improve the built environment through collaborative digital practices, promoting interoperability, and encouraging efficient and transparent data exchange across the entire lifecycle of buildings and infrastructure.

Continue reading README...

Pinned Loading

  1. IDS IDS Public

    Computer interpretable (XML) standard to define Information Delivery Specifications for BIM (mainly used for IFC)

    C# 325 93

  2. IFC4.x-development IFC4.x-development Public

    Repository to collect updates to the IFC4.x specification

    Python 242 126

  3. IFC5-development IFC5-development Public

    Development of the next generation of Industry Foundation Classes

    HTML 235 84

  4. bSDD bSDD Public

    The buildingSMART Data Dictionary repository, where we publish the documentation, examples and more. We don't publish here the data, the source code of the bSDD service or the front end of the webs…

    Python 196 47

  5. BCF-XML BCF-XML Public

    XML specification for BIM Collaboration Format

    PowerShell 262 92

  6. BCF-API BCF-API Public

    Web service specification for BIM Collaboration Format

    240 68

Repositories

Showing 10 of 24 repositories
  • Standards-builds Public

    Repository of all openBIM standards, both official and in developement, used to produce documentation pages.

    buildingSMART/Standards-builds's past year of commit activity
    HTML 3 3 1 0 Updated Oct 16, 2026
  • validate Public

    buildingSMART IFC Validation Service

    buildingSMART/validate's past year of commit activity
    Python 68 MIT 22 9 7 Updated Oct 15, 2026
  • IFC4.x-specification-models Public

    Models used in the official documentation of IFC

    buildingSMART/IFC4.x-specification-models's past year of commit activity
    Python 15 10 3 0 Updated Oct 14, 2026
  • IFC4.x-development Public

    Repository to collect updates to the IFC4.x specification

    buildingSMART/IFC4.x-development's past year of commit activity
    Python 242 126 498 49 Updated Oct 14, 2026
  • bSDD Public

    The buildingSMART Data Dictionary repository, where we publish the documentation, examples and more. We don't publish here the data, the source code of the bSDD service or the front end of the website.

    buildingSMART/bSDD's past year of commit activity
    Python 196 MIT 47 18 0 Updated Oct 7, 2026
  • buildingSMART/ifc-validation-data-model's past year of commit activity
    Python 9 MIT 2 2 0 Updated Oct 5, 2026
  • buildingSMART/ifc-gherkin-rules's past year of commit activity
    Python 24 MIT 26 41 12 Updated Sep 30, 2026
  • IDS Public

    Computer interpretable (XML) standard to define Information Delivery Specifications for BIM (mainly used for IFC)

    buildingSMART/IDS's past year of commit activity
    C# 325 93 72 9 Updated Sep 25, 2026
  • documents-API Public

    part of the openCDE portfolio

    buildingSMART/documents-API's past year of commit activity
    33 4 0 2 Updated Sep 10, 2026
  • IFC5-development Public

    Development of the next generation of Industry Foundation Classes

    buildingSMART/IFC5-development's past year of commit activity
    HTML 235 84 28 19 Updated Sep 8, 2026