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SimpleMES

On the record

API
The documentation identifies some services as Stable APIs and says developers aim to retain backward compatibility while acknowledging breaking changes are possible.simplemes.github.io · read 9 Oct 2026
Assembly
The assembly module supports scanning components and defining the bill of materials needed to build a product.simplemes.github.io · read 10 Oct 2026
Core capabilities
The core module covers products, routings, work centers, customer orders, and lot or serial numbers.simplemes.github.io · read 10 Oct 2026
Customization
The documentation describes custom fields, flexible data collection fields, scripted logic, and optional modules for customization.simplemes.github.io · read 9 Oct 2026
Demo
The guide describes a demo server whose database is periodically purged.simplemes.github.io · read 10 Oct 2026
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.simplemes.github.io · read 9 Oct 2026
ERP use
SimpleMES can be used with or without an ERP system, and the guide says ERP and non-ERP orders can be mixed.simplemes.github.io · read 10 Oct 2026
Hosting
The project describes cloud, self-hosted cloud, and internal deployment as hosting options.simplemes.github.io · read 10 Oct 2026
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.simplemes.github.io · read 10 Oct 2026
Intended users
The guide describes operators, supervisors, and managers as the shop-floor users of an MES.simplemes.github.io · read 10 Oct 2026
Known limitation
The guide says SimpleMES does not currently support a costing module, though production history can provide data for cost estimates.simplemes.github.io · read 10 Oct 2026
License
The GitHub repository lists the project under the GPL-3.0 license.github.com · read 9 Oct 2026
Notable limitation
The guide says SimpleMES does not currently support a costing module, though production logs can provide data for estimating costs.simplemes.github.io · read 9 Oct 2026
Product
SimpleMES is an open-source manufacturing execution system for controlling and tracking shop-floor work.simplemes.github.io · read 10 Oct 2026
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.simplemes.github.io · read 9 Oct 2026
Production tracking
SimpleMES can record what was built, who built it, when and where it was built, components used, defects, and configurable production data.simplemes.github.io · read 10 Oct 2026
Project maturity
The repository describes the framework as being in a pre-release state.github.com · read 10 Oct 2026
Release status
The GitHub repository describes the framework as being in a pre-release state.github.com · read 9 Oct 2026

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