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iDempiere vs ERPNext: catalog facts
iDempiere	ERPNext
Free Free and open source with no licensing cost.	Freemium Free and open source to self-host; Frappe offers paid cloud hosting with a free trial.
Web, Self-hosted	Web, Self-hosted
Covers ERP, CRM, supply chain, manufacturing and POS Multi-entity accounting in a single login	Wide module coverage including manufacturing and payroll Large, active open source project
Complex to implement without ERP experience Self-hosting requires Java and database administration	Self-hosting the Frappe stack takes some administration Breadth of modules means a learning curve
Self-hosted	Self-hosted, Hosted service
Open source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.