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Open‑source ERP with a dedicated PLM module; supports multi‑level BOMs, version control, and change orders—all fully integrated with inventory and manufacturing.
FreeCAD is a parametric 3D CAD suite; the BOM Workbench adds automatic BOM generation from part properties, supporting hierarchical assemblies and CSV export.
Cloud‑based BOM manager with a free plan for up to 20 parts; offers real‑time collaboration, versioning, and integration with major CAD tools (SolidWorks, Fusion 360, etc.).
Full‑featured PLM platform released under a free community license; includes robust BOM management, change control, and workflow automation.
Browser‑based CAD with built‑in BOM tables; the free plan is public‑only but provides real‑time collaboration, versioned BOMs, and export to CSV/Excel.
#7 Upchain Free
Cloud PLM for small teams; free tier includes unlimited users, part libraries, and BOM creation with change tracking and integration to GitHub.
Collaboration platform for CAD files that automatically extracts part lists; users can generate BOMs, export to CSV, and sync with SolidWorks/Inventor.
Autodesk’s free‑for‑hobbyists version includes a built‑in BOM editor for assemblies, with part numbers, quantities, and cost estimation.
ERP suite with a PLM module; supports hierarchical BOMs, material planning, and integration with manufacturing orders—all free under the GPL.
Open‑source ERP/CRM that can be extended with a PLM module; provides simple BOM creation, part tracking, and cost roll‑up.
#12 OpenPLM
Purely open‑source PLM system written in Python; includes BOM management, document control, and workflow features for small‑to‑medium projects.
While not permanently free, Siemens offers a 30‑day free trial of Teamcenter Rapid Start, which showcases full‑featured BOM management, change control, and CAD integration.
Community edition provides unlimited users, part libraries, and BOM creation with revision control; integrates with major CAD platforms via plugins.
Free starter version includes a basic PLM module with BOM generation for 2‑D assemblies; suitable for educational use and small projects.
Web‑based BOM manager focused on electronics; free tier allows up to 100 parts, auto‑part number generation, and CSV export.