Show HN: An open-source manufacturing ERP/MES/QMS

A new open-source ERP/MES/QMS system called Carbon has been introduced, designed for manufacturers to manage sensitive data on-premise. It aims to help defense and aerospace companies maintain compliance with CMMC and NIST standards while keeping data within their own infrastructure.
Why it matters
It provides a self-hosted alternative for industries with strict data sovereignty and security requirements, reducing reliance on cloud-based vendors.
The whole system of record — ERP, MRP, MES and QMS — on Postgres you own. On-prem, in your VPC, or fully air-gapped. Open source, so you can audit every line before it ever touches your most sensitive records.
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