A curated list of open source projects for the Architecture, Engineering, and Construction (AEC) industry. A live frontend demo can be found HERE
Submit your project using our simple GitHub issue form: See submit a project
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++ | 2516 | Jun 1, 2026 | LGPL-2.1 |
| compas | Main library of the COMPAS framework and CAD integrations for Rhino/GH and Blender. | Python | 366 | May 31, 2026 | MIT |
| three.js | JavaScript 3D Library. | JavaScript | 112781 | Jun 1, 2026 | MIT |
| voxelization_toolkit | Voxelization Toolkit for (IFC) Building Models | C++ | 90 | Mar 21, 2026 | MIT |
| BIMserver | The open source BIMserver platform | Java | 1721 | May 23, 2026 | AGPL-3.0 |
| ladybug | 🐞 Core ladybug library for weather data analysis and visualization | Python | 225 | May 25, 2026 | AGPL-3.0 |
| QGIS | QGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS) | C++ | 13849 | Jun 1, 2026 | GPL-2.0 |
| rhino3dm | Libraries based on OpenNURBS with a RhinoCommon style | C# | 731 | May 30, 2026 | MIT |
| lcax | LCAx is a open, verifiable, machine and human-readable LCA exchange format | Rust | 76 | Mar 30, 2026 | Apache-2.0 |
| calc | Calc helps architects quickly estimate the environmental impact of their early design. | C# | 20 | May 23, 2026 | MIT |
| IfcOpenShell | Open source IFC library and geometry engine | C++ | 2543 | Jun 1, 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 | 903 | May 27, 2026 | AGPL-3.0 |
| compas_wood | Project for Timber Joint Generation. Documentation: | Python | 48 | May 12, 2026 | MIT |
| honeybee-energy | 🐝 🔥 Honeybee extension for energy simulation | Python | 35 | May 31, 2026 | AGPL-3.0 |
| dragonfly-core | 🐉 dragonfly core library | Python | 18 | May 25, 2026 | AGPL-3.0 |
| honeybee-radiance | 🐝 ⚡️ Radiance extension for Honeybee | Python | 18 | May 25, 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 | 34 | May 19, 2026 | MIT |
| IfcLCA | Open Source Life Cycle Assessment for Built Environment with Industry Foundation Classes | TypeScript | 37 | May 13, 2026 | AGPL-3.0 |
| ifc-flow | A visual node-based tool for working with Industry Foundation Classes (IFC) files | TypeScript | 77 | Jun 1, 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 | 26 | Jun 1, 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# | 20 | Mar 26, 2026 | MIT |
| ara3d-sdk | 📚 Various C# libraries for efficient data driven applications | C# | 32 | May 29, 2026 | MIT |
| ara3d-webgl | A Three.JS based WebGL viewer for AEC data. | TypeScript | 46 | May 10, 2026 | MIT |
| gladis | A web app and search engine for Environmental Product Declarations (EPDs). | N/A | 0 | Jun 1, 2026 | Unknown |
| honey-ifc | Stylish desktop app for exploring and exporting IFC data — fast, fun, and frustration-free. | Python | 8 | Mar 13, 2026 | GPL-3.0 |
| bowerbird | Scripted C# Plug-in Framework for Revit | C# | 66 | May 26, 2026 | MIT |
| EngineeringPaper.xyz | EngineeringPaper.xyz is a web app that makes it easy to create, save, and share engineering calculations. | TypeScript | 223 | May 30, 2026 | MIT |
| bim-open-schema | Representing BIM Data as Parquet | C# | 47 | Apr 16, 2026 | MIT |
| awatif | The First Web-based Parametric Structural Engineering Platform | TypeScript | 154 | May 25, 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 | 658 | May 30, 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# | 460 | May 28, 2026 | MIT |
| Hywe | An active design sandbox for weaving spatial topology and flow-based hierarchies through design computation. Prioritizing connectivity over adjacency. | F# | 10 | May 30, 2026 | MIT |
| AppBuilderSdk | Single page application which serves as the frontend of ShapeDiver App Builder | TypeScript | 11 | May 29, 2026 | MIT |
| ifc-ids-mcp | An MCP to create IDS files deterministically using IfcOpenShell's IfcTester | Python | 24 | Apr 6, 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 | 23719 | May 31, 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 | 15 | May 3, 2026 | Unknown |
| Speckle2Graph | Speckle2Graph is a Python library that builds pipelines from Speckle to a graph database in a few lines of code | Python | 15 | Apr 16, 2026 | Apache-2.0 |
| Calcpad | Free and open source software for mathematical and engineering calculations. | N/A | 0 | Jun 1, 2026 | Unknown |
| 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 | 1 | May 28, 2026 | MIT |