Free, open-source alternatives to SAP Business One
ERP for small and medium businesses. 5 apps you can run yourself instead of SAP Business One, sorted by how well they replace it. Each one is open source, so your data stays with you.
OdooBest match
Free open source ERP system.
ERPNext
ERP system to help you run your business.
Dolibarr
Modern CRM software package to manage your company or foundation activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...).
Tryton
Free open source business solution.
OFBiz
Enterprise Resource Planning system with a suite of business applications flexible enough to be used across any industry.
Side by side
Why replace SAP Business One?
SAP Business One works, but your data lives in someone else's account, the price can change at any time, and features can disappear. An open-source app you run yourself is yours: you choose where it runs, who can see the data, and when to update.
Questions
What is the best free alternative to SAP Business One?
Odoo is the closest open-source replacement for SAP Business One in our list. ERPNext and Dolibarr are worth a look too, depending on what you need.
Can I self-host an alternative to SAP Business One?
Yes. All 5 apps on this page are open source and can run on your own server, usually with Docker, or on a managed host that installs them for you.