Repositories list

• IFC4.x-IF

  Public

  buildingSMART/IFC4.x-IF’s past year of commit activity
  IFC4.x Implementers Forum

  3333 forks•3737 stars•2121 issues•55 pull requests•Updated Apr 15, 2026Apr 15, 2026

• IFC4.3.x-development

  Public

  buildingSMART/IFC4.3.x-development’s past year of commit activity
  Repository to collect updates to the IFC4.3 Specification

  bimifc

  bimifc

  Python

  •

  Other

  •116116 forks•208208 stars•482482 issues•3737 pull requests•Updated Apr 14, 2026Apr 14, 2026

• validate

  Public

  buildingSMART/validate’s past year of commit activity
  buildingSMART IFC Validation Service

  Python

  •

  MIT License

  •1414 forks•5858 stars•88 issues•77 pull requests•Updated Apr 12, 2026Apr 12, 2026

• ifc-validation-data-model

  Public

  buildingSMART/ifc-validation-data-model’s past year of commit activity
  Python

  •

  MIT License

  •11 fork•99 stars•22 issues•11 pull request•Updated Apr 12, 2026Apr 12, 2026

• ifc-gherkin-rules

  Public

  buildingSMART/ifc-gherkin-rules’s past year of commit activity
  Python

  •

  MIT License

  •2323 forks•2222 stars•3737 issues•99 pull requests•Updated Apr 12, 2026Apr 12, 2026

• IFC5-development

  Public

  buildingSMART/IFC5-development’s past year of commit activity
  Development of the next generation of Industry Foundation Classes

  openbimifcbuildingsmart+ 1

  openbimifcbuildingsmartifc-5

  TypeScript

  •7373 forks•181181 stars•1515 issues•99 pull requests•Updated Mar 18, 2026Mar 18, 2026

• IFC4.3.x-output

  Public

  buildingSMART/IFC4.3.x-output’s past year of commit activity
  Other

  •1515 forks•3232 stars•813813 issues•11 pull request•Updated Mar 16, 2026Mar 16, 2026

• IDS-Audit-tool

  Public

  buildingSMART/IDS-Audit-tool’s past year of commit activity
  Official buildingSMART tool to audit the validity of a .ids file (according to the full IDSxml standard).

  C#

  •

  MIT License

  •1111 forks•3434 stars•55 issues•00 pull requests•Updated Mar 12, 2026Mar 12, 2026

• bSDD

  Public

  buildingSMART/bSDD’s past year of commit activity
  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…

  ontologyclassificationids+ 7

  ontologyclassificationidsbimopenbimifcbuildingsmartdatadictionaryaecbsdd

  Python

  •

  MIT License

  •4242 forks•176176 stars•1414 issues•00 pull requests•Updated Feb 27, 2026Feb 27, 2026

• IDS

  Public

  buildingSMART/IDS’s past year of commit activity
  Computer interpretable (XML) standard to define Information Delivery Specifications for BIM (mainly used for IFC)

  idsopenbimifc+ 3

  idsopenbimifcbuildingsmartindustryfoundationclassesinformationdeliveryspecification

  C#

  •

  Other

  •8585 forks•290290 stars•6969 issues•22 pull requests•Updated Feb 26, 2026Feb 26, 2026

• IFC4.3.x-sample-models

  Public

  buildingSMART/IFC4.3.x-sample-models’s past year of commit activity
  Python

  •1010 forks•99 stars•44 issues•33 pull requests•Updated Feb 24, 2026Feb 24, 2026

• Sample-Test-Files

  Public
  Sample files of various formats and schema versions.

  openbimifcbuildingsmart+ 3

  openbimifcbuildingsmartopenbimstandardsindustryfoundationclassesschema-versions

  Other

  •123123 forks•321321 stars•33 issues•00 pull requests•Updated Jan 15, 2026Jan 15, 2026

• technical.buildingsmart.org

  Public
  Content of the technical.buildingsmart.org website.

  88 forks•3434 stars•22 issues•11 pull request•Updated Jan 14, 2026Jan 14, 2026

• ifcx.dev

  Public
  The schema.org for IFC

  openbimifcifc5

  openbimifcifc5

  11 fork•22 stars•00 issues•00 pull requests•Updated Nov 19, 2025Nov 19, 2025

• BCF-API

  Public
  Web service specification for BIM Collaboration Format

  Other

  •6666 forks•229229 stars•2525 issues•33 pull requests•Updated Jun 16, 2025Jun 16, 2025

• foundation-API

  Public

  buildingSMART/foundation-API’s past year of commit activity
  Shared elements in the diverse API standards

  99 forks•3737 stars•66 issues•00 pull requests•Updated Dec 2, 2024Dec 2, 2024

• .github

  Public
  00 forks•11 star•00 issues•00 pull requests•Updated Nov 6, 2024Nov 6, 2024

• BCF-XML

  Public

  buildingSMART/BCF-XML’s past year of commit activity
  XML specification for BIM Collaboration Format

  PowerShell

  •

  Other

  •8888 forks•257257 stars•1313 issues•44 pull requests•Updated Oct 21, 2024Oct 21, 2024

• documents-API

  Public

  buildingSMART/documents-API’s past year of commit activity
  part of the openCDE portfolio

  22 forks•3030 stars•00 issues•11 pull request•Updated Aug 7, 2024Aug 7, 2024

• IFC4.4.x-development

  Public

  buildingSMART/IFC4.4.x-development’s past year of commit activity
  Development of IFC 4.4

  Python

  •

  Other

  •66 forks•99 stars•00 issues•11 pull request•Updated Jul 23, 2024Jul 23, 2024

• IFC

  Public archive
  IFC schema management and versioning repository

  Other

  •1919 forks•7474 stars•1919 issues•44 pull requests•Updated Mar 31, 2024Mar 31, 2024

• IFC4.3-html

  Public

  buildingSMART/IFC4.3-html’s past year of commit activity
  HTML

  •44 forks•66 stars•00 issues•00 pull requests•Updated Sep 30, 2022Sep 30, 2022

• OpenCDE-API

  Public archive
  Makefile

  •1010 forks•6464 stars•44 issues•00 pull requests•Updated Jun 2, 2022Jun 2, 2022

• mvdXML

  Public archive
  Repository used by the mvdXML group to support mvdXML specification and implementation.

  GAP

  •1111 forks•2828 stars•77 issues•22 pull requests•Updated Feb 18, 2022Feb 18, 2022

• NextGen-IFC

  Public

  buildingSMART/NextGen-IFC’s past year of commit activity
  TeX

  •44 forks•6363 stars•7979 issues•00 pull requests•Updated Aug 30, 2020Aug 30, 2020

• IFC4-CV

  Public

  buildingSMART/IFC4-CV’s past year of commit activity
  IFC4 Coordination View

  77 forks•2727 stars•00 issues•00 pull requests•Updated Aug 12, 2014Aug 12, 2014