
IfcOpenShell
We build free software IfcOpenShell, Bonsai (previously known as the BlenderBIM Add-on), and more for the Architecture, Engineering, and Construction industry

Contribute
Become a financial contributor.
Financial Contributions
Top financial contributors
Individuals
$3,250 USD since Dec 2022
$2,024 USD since Dec 2024
$1,900 USD since Aug 2023
$1,600 USD since Apr 2021
$1,550 USD since Dec 2020
$1,500 USD since Nov 2023
$1,400 USD since Feb 2024
$1,200 USD since Dec 2020
$1,100 USD since Apr 2024
$1,055 USD since Nov 2022
Organizations
$8,800 USD since Nov 2022
$5,310 USD since Jul 2023
$2,600 USD since Feb 2023
$950 USD since Jan 2021
$800 USD since Apr 2023
$530 USD since Sep 2022
$500 USD since Feb 2022
$50 USD since Nov 2023
IfcOpenShell is all of us
Our contributors 237
Thank you for supporting IfcOpenShell.
Dion Moult
$1,550 USD
Thomas Krijnen
Cyril Waechte...
Corporate Sponsor
$8,800 USD
BIMvoice
Corporate Sponsor
$5,310 USD
BAUPUNKTNULL AG
$3,250 USD
PlaniBIM SA
Corporate Sponsor
$2,600 USD
Gortemaker Al...
$2,024 USD
Randolph
Corporate Sponsor
$1,900 USD
Matthew Fuller
Basic Corporate
$1,600 USD
Sailor
Corporate Sponsor
$1,400 USD
Mats Norén
$1,200 USD

Budget
Transparent and open finances.
$5,916.99 USD
$52,061.60 USD
$46,144.61 USD
$32,496.39 USD

About
- IfcOpenShell, a C++ and Python IFC developer library for developing cross-platform OpenBIM apps
- Bonsai (previously known as the BlenderBIM Add-on), a Blender extension to natively author IFC models
- IfcConvert, a CLI utility to convert from IFC to glTF, XML, SVG, OBJ, DAE, and more.
- IfcCSV, a CLI utility and library to manage IFC data using spreadsheets
- IfcDiff, a CLI utility and library to do deep semantic comparisons of IFC models
- IfcClash, a CLI utility and library for IFC clash detection
- BCF, a Python developer library for the BIM Collaboration Format
- bSDD, a Python developer library for the buildingSMART Data Dictionary API
- ... and more than 10 other developer libraries and CLI apps
Our software also helps power others in the industry, and other free software, such as FreeCAD's BIM Workbench.
Our team
Dion Moult
Thomas Krijnen