OpenConstructionERP

Open-source construction ERP: BOQ, CAD/BIM takeoff, 4D scheduling, 5D costing, AI cost matching.

PlatformWebfreeglobal

A self-hosted, open-source construction ERP that combines bill-of-quantities, CAD/BIM takeoff, 4D scheduling and 5D cost modeling with AI-assisted cost matching. Designed for construction estimators, project managers and BIM coordinators, it helps teams avoid per-seat commercial licensing and run regionally compatible, multi-language estimating and takeoff workflows via a desktop app or containerized/self-install options.

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