Bouw & vastgoed

#1 Self hosted CMMS web & mobile application that allows you to manage enterprise maintenance for free - Computerized Maintenance Management System

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

Searches for new apartments, houses, and flats in Germany on platforms like ImmoScout24, Immowelt, and others, and instantly delivers the results to you via Slack, Telegram, and more.

全流程 智能招投标 Agent：标书生成 · 招投标解读 · 标书检查 · 标书文档ai排版 · 商机发现 一键完成。 21 项合规检查 · 多模型切换 · RAG 知识库 · OCR 抽取。 从招标公告到可交付 docx 文档，全流程 AI 自动化。

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

Wraft is an open-source Document Lifecycle Management platform.

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

Python API wrapper for Funda.nl, the Dutch real estate platform. Uses the real mobile API. No scraping, no Selenium, no CAPTCHA.

leihs is an inventory management, procurement and lending system

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.

🏠 Ask Claude about Korean apartment prices — powered by 국토교통부 open API

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..

纯前端楼盘采光模拟工具链：规划图标注 → 3D 阴影可视化 | Frontend-only building sunlight simulator: plan annotation to 3D shadow visualization

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

A curated list of awesome real estate related resources and projects

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

Rental Property Management Platform with Mobile App

A multi-page streamlit app for geospatial

Real estate and physical property management to connect property managers and potential buyers.

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

Open-source property management platform for boarding houses (kos), rentals, and apartments.

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

Open Source Property Management System based on Symfony 7

Python SDK 🐍

Одиннадцать маркетплейсов и недвижимость Циан как MCP-серверы: Wildberries, Ozon, Яндекс Маркет, Детский мир, Авито, AliExpress, Taobao, Мегамаркет, Lamoda, DNS, Ситилинк, Циан. Плюс сравнение цен по всем товарным источникам одним вызовом. Только чтение, ключи не нужны.

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