buildingSMART's repositories
Sample-Test-Files
Sample files of various formats and schema versions.
IFC4.3.x-development
Repository to collect updates to the IFC4.3 Specification
foundation-API
Shared elements in the diverse API standards
documents-API
part of the openCDE portfolio
technical.buildingsmart.org
Content of the technical.buildingsmart.org website.
IDS-Audit-tool
Tool to audit the validity of a .ids file (according to the IDSxml standard).
IFC4.4.x-development
Development of IFC 4.4