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