Odoo and ERPNext are both open-source ERP systems, and both are considered by manufacturers. This is an honest comparison for a manufacturer.
What each one is
ERPNext is an open-source ERP that covers the core functions of running a business, including manufacturing, and is known for being a genuinely open, accessible ERP. Odoo is also open-source at its core, covering a wide range of functions with genuine manufacturing capability, with a Community and an Enterprise edition and a very large ecosystem.
What they share
Both are open-source ERP systems, so both offer the transparency and the freedom from total single-vendor lock-in that open source provides. Both cover the core ground of running a business, including manufacturing, in one connected system. A manufacturer that wants an open-source ERP is, with either, in reasonable territory.
Where Odoo is stronger
Odoo's advantages over ERPNext are mostly in breadth, depth, and ecosystem. Odoo covers a wider range of functions, extending well beyond core ERP. Its manufacturing capability is deep, and connected to a broad operation. And its ecosystem, the partner network, the module catalogue, the depth of available expertise, is very large, which matters for support and for getting help. For a manufacturer that wants the broadest, deepest open-rooted suite with a large ecosystem, Odoo is the stronger choice.
Where ERPNext is competitive
ERPNext's appeal is as a fully open ERP that covers the core, including manufacturing, well. For a manufacturer whose needs are squarely in core ERP and core manufacturing, and which places a high value on a fully open model, ERPNext is a genuine and capable option. Its breadth and ecosystem are not on the scale of Odoo's, but for a manufacturer that does not need that extra, that is not necessarily a drawback.
Which suits which manufacturer
ERPNext suits a manufacturer whose needs are firmly within core ERP and core manufacturing, that values a fully open model highly, and does not need wider breadth. Odoo suits a manufacturer that wants the widest open-rooted suite, deeper operational and manufacturing capability connected to a broad operation, and a large ecosystem of expertise and support.
The honest verdict
Odoo and ERPNext are both sound open-source choices for a manufacturer. The decision turns on breadth and ecosystem: a manufacturer needing wide functional coverage, operational depth, and a large support ecosystem finds Odoo the stronger fit; a manufacturer for whom a focused, fully open core ERP with manufacturing meets its needs finds ERPNext competitive. For how we approach Odoo for manufacturers, see our manufacturing work.