A curated list of open source projects for the Architecture, Engineering, and Construction (AEC) industry. A live frontend demo can be found HERE
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This directory is licensed under the MIT License - see the LICENSE file for details.
This project is inspired by the extra-awesome-dotnet project.
| Project | Description | Language | Stars | Last Updated | License |
|---|---|---|---|---|---|
| OCCT | Open CASCADE Technology (OCCT) is an open-source software development platform for 3D CAD, CAM, CAE. | C++ | 2194 | Mar 3, 2026 | LGPL-2.1 |
| compas | Main library of the COMPAS framework and CAD integrations for Rhino/GH and Blender. | Python | 353 | Mar 1, 2026 | MIT |
| three.js | JavaScript 3D Library. | JavaScript | 111162 | Mar 4, 2026 | MIT |
| voxelization_toolkit | Voxelization Toolkit for (IFC) Building Models | C++ | 89 | Feb 1, 2026 | MIT |
| BIMserver | The open source BIMserver platform | Java | 1692 | Mar 2, 2026 | AGPL-3.0 |
| ladybug | 🐞 Core ladybug library for weather data analysis and visualization | Python | 222 | Mar 2, 2026 | AGPL-3.0 |
| QGIS | QGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS) | C++ | 13321 | Mar 3, 2026 | GPL-2.0 |
| rhino3dm | Libraries based on OpenNURBS with a RhinoCommon style | C# | 710 | Feb 27, 2026 | MIT |
| lcax | LCAx is a open, verifiable, machine and human-readable LCA exchange format | Rust | 73 | Feb 24, 2026 | Apache-2.0 |
| calc | Calc helps architects quickly estimate the environmental impact of their early design. | C# | 19 | Feb 7, 2026 | MIT |
| IfcOpenShell | Open source IFC library and geometry engine | C++ | 2385 | Mar 3, 2026 | LGPL-3.0 |
| xeokit-sdk | 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 | HTML | 877 | Mar 2, 2026 | AGPL-3.0 |
| compas_wood | Project for Timber Joint Generation. Documentation: | Python | 48 | Feb 17, 2026 | MIT |
| honeybee-energy | 🐝 🔥 Honeybee extension for energy simulation | Python | 33 | Feb 24, 2026 | AGPL-3.0 |
| dragonfly-core | 🐉 dragonfly core library | Python | 18 | Feb 27, 2026 | AGPL-3.0 |
| honeybee-radiance | 🐝 ⚡️ Radiance extension for Honeybee | Python | 17 | Feb 24, 2026 | AGPL-3.0 |
| geospiza | Geospiza is a project focusing on evolutionary design in grasshopper | C# | 7 | Jan 26, 2026 | MIT |
| BetterCorrectFast | Simplified BIM Collaboration Format (BCF) generation for project leaders and managers | Python | 13 | Jan 15, 2026 | MIT |
| sPrint | A Chrome extension that allows batch-print PDFs from BIM360 and ACC platforms. | TypeScript | 33 | Feb 20, 2026 | MIT |
| IfcLCA | Open Source Life Cycle Assessment for Built Environment with Industry Foundation Classes | TypeScript | 34 | Jan 12, 2026 | AGPL-3.0 |
| ifc-flow | A visual node-based tool for working with Industry Foundation Classes (IFC) files | TypeScript | 71 | Feb 28, 2026 | AGPL-3.0 |
| ifc-classifier | Web-based tool to add IFC classification references (Uniclass, eBKP-H etc.) with 3D visualization using Three.js, web-ifc, and IfcOpenShell. | TypeScript | 22 | Jan 27, 2026 | AGPL-3.0 |
| D2P-Components | D2P Components streamline parametric modeling in Grasshopper, helping you manage complex data trees, reduce recomputations, and maintain a structured, scalable workflow from concept to fabrication. | C# | 19 | Oct 11, 2025 | MIT |
| ara3d-sdk | 📚 Various C# libraries for efficient data driven applications | C# | 23 | Feb 28, 2026 | MIT |
| ara3d-webgl | A Three.JS based WebGL viewer for AEC data. | TypeScript | 43 | Feb 28, 2026 | MIT |
| gladis | A web app and search engine for Environmental Product Declarations (EPDs). | N/A | 0 | Mar 4, 2026 | Unknown |
| honey-ifc | Stylish desktop app for exploring and exporting IFC data — fast, fun, and frustration-free. | Python | 6 | Dec 4, 2025 | GPL-3.0 |
| bowerbird | Scripted C# Plug-in Framework for Revit | C# | 60 | Mar 3, 2026 | MIT |
| EngineeringPaper.xyz | EngineeringPaper.xyz is a web app that makes it easy to create, save, and share engineering calculations. | TypeScript | 210 | Mar 3, 2026 | MIT |
| bim-open-schema | Representing BIM Data as Parquet | C# | 38 | Feb 15, 2026 | MIT |
| awatif | The First Web-based Parametric Structural Engineering Platform | TypeScript | 128 | Mar 2, 2026 | MIT |
| Taxonomy | A set of interfaces describing a taxonomy for structural engineering objects | C# | 4 | Jan 19, 2026 | MIT |
| engine_components | No description provided | TypeScript | 600 | Mar 3, 2026 | MIT |
| SOM-Toolkit | Python | 7 | Feb 26, 2026 | MIT | |
| IfcBorehole | CLI and GUI for creating IfcBoreholes from Excel or GIS files or a pandas dataframe | Python | 1 | Oct 2, 2025 | MIT |
| RevitAddInManager | Revit AddinManager update .NET assemblies without restart Revit for developer. | C# | 433 | Mar 2, 2026 | MIT |
| Hywe | Space layout planning in a browser | F# | 7 | Mar 3, 2026 | MIT |
| AppBuilderSdk | Single page application which serves as the frontend of ShapeDiver App Builder | TypeScript | 9 | Feb 27, 2026 | MIT |
| ifc-ids-mcp | An MCP to create IDS files deterministically using IfcOpenShell's IfcTester | Python | 24 | Feb 24, 2026 | MIT |
| p5.js | p5.js is a client-side JS platform that empowers artists, designers, students, and anyone to learn to code and express themselves creatively on the web. It is based on the core principles of Processing. Looking for p5.js 2.0? http://beta.p5js.org | JavaScript | 23478 | Mar 4, 2026 | LGPL-2.1 |
| enji-react-svg-drawings | This repository demonstrates how React can be used to create SVG-based drawings for construction and manufacturing applications. | TypeScript | 14 | Feb 7, 2026 | Unknown |
| Speckle2Graph | Speckle2Graph is a Python library that builds pipelines from Speckle to a graph database in a few lines of code | Python | 14 | Feb 1, 2026 | Apache-2.0 |
| Calcpad | Free and open source software for mathematical and engineering calculations. | HTML | 636 | Mar 3, 2026 | MIT |
| resilient-housing-bayes | Bayesian simulation framework exploring how housing systems respond to stochastic climate events. Includes synthetic data generation, probabilistic fragility modeling, and estimation of downtime and reconstruction cost for resilience assessment. | Jupyter Notebook | 0 | Mar 3, 2026 | MIT |