Bouwwerkinformatiemodellering (BIM)

Manage your projects, tasks and goals. Collaborate via work packages and link them to your pull requests on Github.

Open-source construction ERP - BOQ, PDF/CAD/BIM takeoff, AI cost matching, 293 guided cases. 120,000+ priced positions, 45 languages, 192 modules. AGPL-3.0. pip install openconstructionerp

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

Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

Open-source 3D architectural editor with a local CLI, MCP tools, and practical workflows for humans and AI agents.

基于Vue3 + THREE.JS 免费开源的三维引擎及配套编辑器，包含BIM轻量化、CAD解析预览、粒子系统、插件系统等功能。 A free and open-source 3D engine based on Vue3 + THREE.JS and its accompanying editor, featuring functions such as BIM lightweighting, CAD parsing preview, particle system, and plugin system.

A flexible, memory compact, fast and dynamic CSG implementation on top of three-mesh-bvh

Monorepo for iTwin.js Library

Open-source IFC toolkit: WebGPU rendering, columnar in-memory store, exact-arithmetic geometry kernel. Runs from a CDN. 30+ TypeScript packages and 5 Rust crates.

Claude Code skills for architecture, real estate, and workplace strategy. Type /skill-name and go.

Save your time working in Revit with EF-Tools extension. It's a FREE collection of tools made with pyRevit to help you solve your boring tasks with a Click..

Share is a browser-based BIM & CAD viewer and collaboration platform. Supports IFC, STEP, STL, OBJ, GLTF

Open-source (Apache-2.0) PDF takeoff for construction & flooring — the first engine an AI agent drives natively over MCP, not bolted on. Rooms measured on the wall faces, symbol sweeps, materials + quantities with full provenance, built for preconstruction. Runs entirely in your browser.

Open, self-hosted, IFC-native AEC platform: web BIM viewer + modeling, a ~100-module GC portal (RFIs, pay apps, CPM, construction accounting — double-entry GL/WIP → QuickBooks, e-sign), AI assist, IDS authoring, estimating + embodied carbon, a development proforma, and operate/dispose (CMMS, facility condition, rent roll, waterfall).

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

Dynamo Libraries for Revit

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

Open-source, AI-native structural analysis and design toolset that runs in the browser

221 AI skills for construction: BIM analysis, cost estimation, scheduling, document control, and automation with Claude Code

Python SDK 🐍

Open Source Graphical Programming for Computational Design and Automation

Minimalist file format for BIM

The buildingSMART Data Dictionary repository, where we publish the documentation, examples and more. We don't publish here the data, the source code of the bSDD service or the front end of the website.

Codes for automatic point-cloud-to-BIM conversion

A python library for structural analysis and design

A python tool to create simulation models for different domains based on BIM IFC models.

Convert various AEC model formats for efficient viewing in the browser with xeokit.

A11yJSON: A standard to describe the accessibility of the physical world.

Library for Geo data in BIM integration, plug-in for Revit

This project allows the alignment and correction of LiDAR-based SLAM session data with a reference map or another session, also the retrieval of 6-DoF poses with accuracy of up to 3 cm given an accurate TLS point cloud as a reference map (this map should be accurate at least regarding the position of permanent elements such as walls and columns).

Web CAD library with exact B-Rep geometry

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

eBPF Information Flow Enforcement for AI Agent safety, security and effectiveness

An open source PDF viewer/editor with it's own blazing fast rust engine

A package for MEP, Computational Design, Generative Design inside Dynamo Revit , Sandbox , AutoCAD, Civil3D & more

The smallest useful BIM.

Source of The Building Coder Revit API blog https://jeremytammik.github.io/tbc/a --

A visual node-based tool for working with Industry Foundation Classes (IFC) files

An axiom-free formalization of category theory in Coq for personal study and practical work

Cad AddinManager update .NET assemblies without restart Autocad and Civil3D for developer.

Web app for crossword construction: designing a grid, filling the grid, creating straight or cryptic clues, and downloading as Exolve or .puz. All data is saved locally, no crosswords are sent to any server (unless you export to Exost for web-serving).

Open-source SketchUp (.skp) reader, writer, and converter - parse, create, and edit .skp files; export to GLB, OBJ, STL, PLY, DXF, IFC4, and Fragments. Python, TypeScript, .NET, Dart, and C++.

BIMwright — AI-native Revit MCP server (Revit 2022–2027)

BIMROCKET is an open source platform for BIM project management. It provides a web application for viewing, editing and analyzing BIM models and backend services for storing related information (BCF topics, IFC objects, ...) in a database (OrientDB or MongoDB).

Sample files of various formats and schema versions. Used for certification purposes.

Representing BIM Data as Parquet

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

Cloud-native BIM automation platform for generating, analyzing, and managing IFC files.

scan to bim pipieline including DTM, segmentation using deep learning

The open source BIMserver platform

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

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

Open multilingual construction cost database for AI Agents - 55K+ work items, 27K+ resources, 30 regions. Semantic search via Qdrant vector DB

Repository to collect updates to the IFC4.x specification

Development of the next generation of Industry Foundation Classes

Project support snoop full database support developer navisworks and explore navisworks API

The latest version of the BIM Surfer WebGL viewer for IFC

Navisworks AddinManager update .NET assemblies without restart Navisworks for developer.

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

GEstimator is a simple civil estimation software written in Python and GTK+. GEstimator can prepare estimates along with rate analysis and supports multiple databases.

[AUTCON'25] BIMNet: Dataset and benchmark for as-built BIM reconstruction from real-world point cloud

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

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

A three-way-merge tool for IFC files

A Unity project for building an immersive experience to facilitate interactive real-time 3D design reviews

Graphics engine and toolkit for client applications.

Fast KDTree for Unity, with thread-safe querying.

:sunrise: Dawn is a lightweight task management and build tool for front-end and nodejs.

The official IFC Loader for Three.js.

ConSLAM: Construction Dataset for SLAM

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.

A Python library for adversarial machine learning focusing on benchmarking adversarial robustness.

All the 23 (GoF) design patterns implemented in Javascript with Real World Example using Node.js APIs

Scripted C# Plug-in Framework for Revit

G-Shark is a free and open-source geometry library designed for computational designers and software developers in the Architecture, Engineering, and Construction (AEC) industry.

A curated collection of useful BIM (Building Information Modeling) resources, libraries, software and frameworks for AEC research, application development, data analysis, and general computation.

This Laravel 8 package makes it possible for you to set your website in "Under Construction" mode. Only users with the correct 4 (or more) digit code can access your site. :fire: :boom: :fire:

SDK for the IFC specification at https://github.com/microsoft/ifc-spec

Easily build and maintain any kind of contract. Free and Open Source

Web app constructor based on React, with GraphQL bindings

A WebGL-based 3D engine for technical visualization. Not actively maintained.

Grevit - Build your BIM Model in Grasshopper or SketchUp

A BIM Workbench for FreeCAD

用于vue框架的bim三维模型预览插件。Bim 3D model preview plugin for vue framework.

Reinforcement Workbench for FreeCAD

Import scripts for IFC files

Revit add-in to create Revit model (wall, column, floor, opening etc.) automatically based on CAD drawings. WIP

Open-source data management plugin for Autodesk Revit.

vi-sense is a tool for visualizing 3d models together with IoT sensor data. This repo contains its backend written in go.

A nifty way to build modular multi story structures

A full python parser for ISO 10303-11 / EXPRESS schemas and IFC files

Detection by Attack: Detecting Adversarial Samples by Undercover Attack

This is the official repository of the open-source Open Infra Platform software (as of April 2020).

WebGL BIM Viewer based on xeoKit-sdk, written with TypeScript.

Bitrix Migration (BIM)

Bring all awesome on Dynamo to a Book

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