OpenWMS.org
OpenWMS.org: A technically flexible WMS foundation for teams that can shape and integrate their own stack. Ranked #32 of 44 in Warehouse Management Software by our editors (6.2/10); pricing: Open source; best for technical teams building an open-source WMS stack.
At a glance
- Editor score6.2 / 10
- PricingOpen source
- Best forTechnical teams building an open-source WMS stack
- Paid fromFree
- Mobile appYes
- Founded2005
- Facts checked23 Sep 2026

Where it wins
- Free, open-source foundation for custom warehouse implementations
- BPMN workflows and material-flow control support automation
- REST APIs, messaging, ERP, PLC, and RabbitMQ connectivity
Where it doesn't
- Everyday depth for counting, picking, and labels is less fully documented
- Some listed components are private or enterprise-only
- No AI features are included
Our verdict on OpenWMS.org
OpenWMS.org is an open-source warehouse management system for integrators and organizations building manual or automated warehouse solutions. It combines warehouse inventory and process management with transport management, material-flow control, BPMN-based workflow orchestration, and operator interfaces. A cross-platform mobile handheld application supports warehouse operations, while barcode-based transport-unit processing addresses common movement workflows. Its strongest fit is a technical team that wants to assemble and adapt a warehouse stack rather than adopt a narrowly packaged application.
The architecture is a major part of the product’s appeal. OpenWMS.org uses microservices for warehouse and transport management and provides REST APIs plus asynchronous messaging interfaces. It can connect with ERP systems, PLC controllers, Raspberry Pi, and RabbitMQ, giving integrators several paths for linking warehouse processes with enterprise software and field hardware. Deployment options span cloud, private cloud, hybrid, and monolithic environments. This flexibility suits projects with specific automation or integration requirements, but it also places more emphasis on architecture, implementation, and ongoing service management than a simpler standalone tool would.
OpenWMS.org has a free, open-source model, making it suitable for teams that need control over the platform and are prepared to work with an extensible project composed of multiple services. Its documented strengths center on material flow, orchestration, barcode processing, mobile handheld operations, and integration. Buyers seeking a focused foundation for automated or manual warehouse solutions should consider it. Organizations wanting a highly packaged WMS with clearly defined coverage across everyday functions such as counting, picking, and labels may prefer an alternative, particularly where private or enterprise-only components affect the desired implementation.
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OpenWMS.org pricing
OpenWMS.org fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Mobile app | Yes |
| Barcode scanning | Not verified |
| Cycle counting | Not verified |
| Picking methods | Not verified |
| Shipping labels | Not verified |
| Multiple warehouses | Not verified |
| Deployment | Cloud, Self-hosted, Browser extension, Mobile |
| Platforms | Web, Android, iOS |
| Support | Community |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 3 integrations: ERP systems, PLC, RabbitMQ |
| Pricing | Open source |
| Website | openwms.github.io |
| Facts checked | 23 Sep 2026 |
OpenWMS.org integrations
OpenWMS.org lists 3 integrations on its own site.
- ERP systems
- PLC
- RabbitMQ
Alternatives to OpenWMS.org
- OpenBoxesA capable open-source WMS for multi-facility inventory and warehouse workflows.9.4
- Foysonis WMSA broad WMS for multi-client warehouses that combines traceability, automation, and AI assistance.9.2
- Blue Yonder Warehouse ManagementA broad WMS for complex, automated warehouse operations, with contact-sales pricing.9.0
See all OpenWMS.org alternatives →
Also Ranked In
OpenWMS.org is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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