construction

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

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

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

Open-source construction ERP - BOQ, PDF/CAD/BIM takeoff, AI cost matching. 42 regional catalogues, 21 languages, 71 modules. AGPL-3.0. v3.0 - pip install openconstructionerp

Fast KDTree for Unity, with thread-safe querying.

The official IFC Loader for Three.js.

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. 🔥 💥 🔥

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

The smallest useful BIM.

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

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

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.

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

ConSLAM: Construction Dataset for SLAM

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).

This github project aims to recongnize unsafe actions of workers on the construction site.

Web app constructor based on React, with GraphQL bindings

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

The AI Assistant that actually does things for the trades

Open-source (Apache-2.0) PDF takeoff for construction & flooring — the first engine an AI agent drives natively over MCP, not bolted on. One-click room detection, materials + quantities, built for preconstruction. Runs entirely in your browser.