OpenProject is the leading open source project management software.

The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure.

The open source BIMserver platform

Graphics engine and toolkit for client applications.

Reading and writing IFC files with Javascript, at native speeds.

3D BIM IFC Viewer SDK for AEC engineering applications. Open Source JavaScript Toolkit based on pure WebGL for top performance, real-world coordinates and full double precision

The official IFC Loader for Three.js.

A .NET library to work with data in the IFC format. This is the core component of the Xbim Toolkit

Built with xeokit SDK. IFC, BIM and Point Cloud 3D Viewer as a package. Enables AEC & GIS applications with double precision global coordinates.

The latest version of the BIM Surfer WebGL viewer for IFC

The smallest useful BIM.

A WebGL based BIM viewer, built on three.js and Vue. Used to view gltf, ifc, obj, dae, stl models, etc.

Sample files of various formats and schema versions.

Official mago-3d-tiler repository, Java Version 3D Tiles Generator

XbimGeometry contains the CLR interop libraries and the c++ engine used to compute the 3D geometry of models.

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

Examples and demos for gemini-viewer sdk, which is a WebGL based BIM model viewer, built on three.js. It is used to view dwg/dxf, gltf, obj, ifc models, etc.

Tilers accepting various input formats (OBJ, 3DCity databases, GeoJson, IFC) and producing 3DTiles tilesets.

Workflow for AI Agents enables automated conversion of CAD files (such as `.rvt`, `.ifc`, `.dwg`) using command-line converters on a local Windows machine

Repository to collect updates to the IFC4.3 Specification