SimpleMES

Spec sheet

What it does

SimpleMES is an open source Manufacturing Execution System designed to control and track shop floor activity.Read 9 Oct 2026 · simplemes.github.io

Product

SimpleMES is an open-source manufacturing execution system for controlling and tracking shop-floor work.Read 10 Oct 2026 · simplemes.github.io

Intended users

The guide describes operators, supervisors, and managers as the shop-floor users of an MES.Read 10 Oct 2026 · simplemes.github.io

API

The documentation identifies some services as Stable APIs and says developers aim to retain backward compatibility while acknowledging breaking changes are possible.Read 9 Oct 2026 · simplemes.github.io

Security

MES Core uses framework-provided security roles, and its controllers enforce the appropriate role.Read 10 Oct 2026 · simplemes.github.io

License

The GitHub repository lists the project under the GPL-3.0 license.Read 9 Oct 2026 · github.com

Assembly

The assembly module supports scanning components and defining the bill of materials needed to build a product.Read 10 Oct 2026 · simplemes.github.io

Core capabilities

The core module covers products, routings, work centers, customer orders, and lot or serial numbers.Read 10 Oct 2026 · simplemes.github.io

Customization

The documentation describes custom fields, flexible data collection fields, scripted logic, and optional modules for customization.Read 9 Oct 2026 · simplemes.github.io

Demo

The guide describes a demo server whose database is periodically purged.Read 10 Oct 2026 · simplemes.github.io

ERP and automation

An ERP system or shop floor automation system is not required, and the guide says SimpleMES may interface with automation systems if needed.Read 9 Oct 2026 · simplemes.github.io

ERP use

SimpleMES can be used with or without an ERP system, and the guide says ERP and non-ERP orders can be mixed.Read 10 Oct 2026 · simplemes.github.io

Hosting

The project describes cloud, self-hosted cloud, and internal deployment as hosting options.Read 10 Oct 2026 · simplemes.github.io

Integration limits

The guide says an ERP system and shop-floor automation system are not required, and describes automation systems as separate software that an MES may interface with if needed.Read 10 Oct 2026 · simplemes.github.io

Known limitation

The guide says SimpleMES does not currently support a costing module, though production history can provide data for cost estimates.Read 10 Oct 2026 · simplemes.github.io

Notable limitation

The guide says SimpleMES does not currently support a costing module, though production logs can provide data for estimating costs.Read 9 Oct 2026 · simplemes.github.io

Production data

SimpleMES can record what and who built a product, when and where it was built, components used, defects, and configurable data collected at key points.Read 9 Oct 2026 · simplemes.github.io

Production tracking

SimpleMES can record what was built, who built it, when and where it was built, components used, defects, and configurable production data.Read 10 Oct 2026 · simplemes.github.io

Project maturity

The repository describes the framework as being in a pre-release state.Read 10 Oct 2026 · github.com

Release status

The GitHub repository describes the framework as being in a pre-release state.Read 9 Oct 2026 · github.com

Runtime

The repository says its executable JAR can run in a Java 9+ environment and warns against using the development configuration in production.Read 10 Oct 2026 · github.com

Setup and customization

The project emphasizes minimal setup, easy configuration, and easy customization.Read 10 Oct 2026 · simplemes.github.io

Traceability

Assembly reports can identify components used in shipped products to help investigate product recalls.Read 9 Oct 2026 · simplemes.github.io

Where Specifiction places it

• Manufacturing Execution Systems#22 of 327.2