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++ | 2242 | Mar 19, 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 | 111474 | Mar 20, 2026 | MIT |
| voxelization_toolkit | Voxelization Toolkit for (IFC) Building Models | C++ | 89 | Feb 1, 2026 | MIT |
| BIMserver | The open source BIMserver platform | Java | 1701 | Mar 19, 2026 | AGPL-3.0 |
| ladybug | 🐞 Core ladybug library for weather data analysis and visualization | Python | 222 | Mar 16, 2026 | AGPL-3.0 |
| QGIS | QGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS) | C++ | 13465 | Mar 19, 2026 | GPL-2.0 |
| rhino3dm | Libraries based on OpenNURBS with a RhinoCommon style | C# | 715 | Mar 13, 2026 | MIT |
| lcax | LCAx is a open, verifiable, machine and human-readable LCA exchange format | Rust | 75 | Mar 19, 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++ | 2411 | Mar 19, 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 | 885 | Mar 17, 2026 | AGPL-3.0 |
| compas_wood | Project for Timber Joint Generation. Documentation: | Python | 47 | Mar 5, 2026 | MIT |
| honeybee-energy | 🐝 🔥 Honeybee extension for energy simulation | Python | 33 | Mar 19, 2026 | AGPL-3.0 |
| dragonfly-core | 🐉 dragonfly core library | Python | 18 | Mar 19, 2026 | AGPL-3.0 |
| honeybee-radiance | 🐝 ⚡️ Radiance extension for Honeybee | Python | 17 | Mar 19, 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 | Mar 18, 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 | 72 | Mar 12, 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 | 24 | Mar 16, 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 | Mar 13, 2026 | MIT |
| ara3d-sdk | 📚 Various C# libraries for efficient data driven applications | C# | 25 | Mar 19, 2026 | MIT |
| ara3d-webgl | A Three.JS based WebGL viewer for AEC data. | TypeScript | 42 | Mar 10, 2026 | MIT |
| gladis | A web app and search engine for Environmental Product Declarations (EPDs). | N/A | 0 | Mar 20, 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# | 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 | 213 | Mar 19, 2026 | MIT |
| bim-open-schema | Representing BIM Data as Parquet | C# | 38 | Mar 10, 2026 | MIT |
| awatif | The First Web-based Parametric Structural Engineering Platform | TypeScript | 131 | Mar 19, 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 | 613 | Mar 20, 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# | 436 | Mar 18, 2026 | MIT |
| Hywe | Space layout planning in a browser | F# | 7 | Mar 10, 2026 | MIT |
| AppBuilderSdk | Single page application which serves as the frontend of ShapeDiver App Builder | TypeScript | 9 | Mar 13, 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 | 23533 | Mar 19, 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 | 641 | Mar 19, 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 |