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#2 OpenPLM
Open‑source PLM system written in Python/Django. Handles BOM management, document control, change requests, and integrates with popular CAD formats.
Free, full‑featured PLM platform for up‑to‑5 users. Offers change management, BOM, requirements, and workflow automation.
Open‑source ERP with a PLM module for BOM, document versioning, and engineering change orders. Extensible via apps.
#5 FreeCAD
Parametric 3D CAD modeler that includes a basic PLM workbench for part management, version control, and BOM generation.
#6 Onshape Free
Cloud‑based CAD with built‑in data management and versioning. Free plan for hobbyists and students (public documents).
Autodesk’s cloud CAD/CM system with limited PLM features (BOM, version history). Free for hobbyists and small startups.
Java‑based open‑source PLM offering document management, BOM, workflow, and CAD integration.
Web‑based BOM and parts management with basic PLM capabilities. Free plan supports up to 10 users and limited storage.
Full‑stack open‑source ERP that includes a PLM module for BOM, change requests, and document control.
Open‑source ERP/CRM with optional PLM plugins for BOM and product data management.
#12 PartKeepr
Open‑source inventory and parts management system that can be extended to act as a lightweight PLM for electronic components.
#13 KiCad
Free EDA suite that includes project management, schematic versioning, and BOM generation—useful for electronic PLM workflows.
Community‑driven PLM framework built on Java and PostgreSQL, offering change management, document control, and workflow.
#15 MyPLM
Lightweight, web‑based PLM system for small teams. Provides part libraries, revision control, and simple workflow.
Online BOM management tool with versioning and change tracking. Free tier supports up to 5 users.
Open‑source PLM focused on mechanical engineering data, supporting CAD file storage, revision control, and workflow.
While primarily a modeling tool, it includes versioned model libraries and can serve as a PLM for system‑level engineering.
Document management platform offering PLM‑style metadata, versioning, and workflow. Free 30‑day trial with full features.
Open‑source viewer and editor for PLM‑XML files, enabling exchange of product structure data without a full PLM system.
Open‑source BIM toolkit that can be repurposed for PLM of building components, offering version control and data exchange.