SimpleMES
SimpleMES: A focused open-source MES for core production tracking and traceability. Ranked #27 of 31 in Manufacturing Execution Systems by our editors (6.0/10); pricing: Open source; best for small teams wanting a minimal open-source MES.
At a glance
- Editor score6.0 / 10
- PricingOpen source
- Best forSmall teams wanting a minimal open-source MES
- Paid fromFree
- Work order managementYes
- Facts checked20 Sep 2026
Where it wins
- Tracks production orders, routings, work centers, lots, and serials
- Supports shop-floor dashboards, barcode actions, and yield logging
- Provides BOMs, assembly workflows, genealogy, and recall reporting
Where it doesn't
- Quality management is not included as a confirmed capability
- The project is pre-release, with version 0.5 documentation
- Defect tracking is described as a planned module
Our verdict on SimpleMES
SimpleMES is an open-source manufacturing execution system for manufacturers and shop-floor teams that need core production control without a broad feature set. It covers production order creation, release, and status tracking, along with routings, work-center definitions, bills of materials, component assembly, and configurable fields, dashboards, and modules. Its shop-floor scope includes operator dashboards, barcode scanning, production activity logging, and yield recording. Lot and serial tracking plus component genealogy support traceability and recall reporting. The product is designed for web, API, cloud, on-premise, and self-hosted deployments, and can operate independently or alongside an ERP system.
For a small team, the open-source model can suit an internally managed deployment or a tailored workflow. The published product description focuses on MES core functions and assembly rather than a wide manufacturing suite. Its strongest area is the connection between production execution and traceability: teams can define routings, record work, capture yields, follow components, and report genealogy from one system. Configurable dashboards and modules also give teams room to shape the interface around their process. Buyers should consider the operational effort of selecting, deploying, and maintaining a pre-release system, particularly where production continuity depends on mature support and established release practices.
SimpleMES is a reasonable fit for teams prioritizing open-source control, straightforward shop-floor data capture, and lot or serial traceability. It is less suitable for manufacturers that require built-in quality management or a confirmed defect-management workflow. The documentation describes defect tracking as planned, while quality management is not included as a confirmed capability. The documentation is version 0.5 and was last updated in 2021, so buyers should favor it when a focused, self-managed MES is more important than a broad, mature manufacturing platform.
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SimpleMES pricing
SimpleMES fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Work order management | Yes |
| Quality management | No |
| Lot and serial traceability | Yes |
| Shop-floor data capture | Yes |
| Real-time dashboards | Yes |
| Deployment | Not verified |
| ERP integration | Yes |
| Deployment | Cloud, Self-hosted |
| Platforms | Web |
| Support | Email, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Open source |
| Website | simplemes.github.io |
| Facts checked | 20 Sep 2026 |
Alternatives to SimpleMES
- Siemens OpcenterA broad MES portfolio for manufacturers that need execution, quality, traceability, and planning.9.4
- Plex MESA broad cloud MES for manufacturers that need connected production, quality, inventory, and mobile workflows.9.2
- GE Vernova Proficy Plant ApplicationsA broad MES for production visibility, traceability, quality, and ERP-connected operations.9.1
See all SimpleMES alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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