OpenManufacturing Platform (OMP) is an open‑source PLM solution that helps manufacturers manage product data, bills of materials, change orders, and cross‑functional collaboration throughout the product lifecycle. The list below gathers 20 free or open‑source PLM tools that can be used as alternatives to OMP.
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PLM module built into Odoo ERP; provides BOM management, document control, versioning and change requests. Fully open‑source (LGPL).
Enterprise‑grade PLM platform with a free community license; supports BOM, change management, workflow automation and extensibility via low‑code.
Python‑based open‑source PLM that tracks parts, documents, revisions and change orders; integrates with CAD files and offers a web UI.
Free community version of Propel PLM; offers BOM management, document repository, workflow approvals and API access.
Open‑source ERP with a built‑in PLM module for BOMs, part catalogs, change requests and version control, all under the GPL.
Free ERP/CRM system that can be extended with a PLM module for part management, BOMs and document handling.
Open‑source CAD tool that includes a PLM workbench for part libraries, versioning and change tracking, suitable for mechanical design.
Cloud‑based BOM and parts management platform; free plan supports unlimited public BOMs, basic version control and CSV import/export.
Open‑source inventory and parts management system that can serve as a lightweight PLM for electronics components.
Lightweight, open‑source PLM written in Java; offers part master data, BOMs, document attachment and simple workflow.
Cloud CAD platform with built‑in data management; free plan (public documents) provides version control, BOM export and change tracking.
Free for hobbyists and startups; includes CAD, simulation and a cloud data management hub that functions as a PLM system.
Cloud PLM focused on BOM, change management and supplier collaboration; free tier supports up to five users and basic workflow.
Modular, web‑based PLM framework built on Java/Spring; supports part data, revisions, workflow and REST APIs.
Siemens offers a limited‑time free trial of Teamcenter Rapid Start, giving access to full PLM capabilities for evaluation.
Web‑based BOM management tool with version control and change request features; free tier allows up to 10 active BOMs.
Java‑based PLM system focusing on product structure, document management and simple workflow, released under Apache 2.0.
Document‑centric PLM with metadata‑driven organization; free personal plan provides limited storage and versioning.
A lightweight PLM implementation that uses the PLMXML standard for data exchange; suitable for small‑scale projects.
While primarily a construction PLM, the free tier offers document control, versioning and change tracking useful for product design.