Real MRP under an Apache license, for teams with developers to spare.
Free plan; no published paid price
- Organizations with in-house Java developers who want to own the whole stack
- Teams that need a permissive Apache license with a patent grant for commercial reasons
- Long-horizon projects where a decade of no license fees justifies a heavy build
Compared on Apache OFBiz's page, where we wrote: "ERPNext ships as a finished application a small manufacturer can configure; OFBiz is closer to a framework that asks for development work in return for control."