OnERP
Customers, products, prices, orders, invoices, stock and tax in one system — built on a metadata-driven ERP framework in TypeScript.
Start here
Section titled “Start here”What OnERP isThe business OnERP runs today, and where each part lives.
Set up your workspaceThe company you sell as, numbering, tax, terms and locations.
Create an orderProducts, quantities, price, and the tax worked out for you.
Invoice an orderBill what was bought, in full or in part.
Send a documentThe printed PDF, and the EN 16931 e-invoice inside it.
Stock and the ledgerWhat you hold, down to the bin, and the history behind it.
Why the system did that
Section titled “Why the system did that”How tax is decidedPlace of supply, the four handlings, and what to change when it is wrong.
How a price is chosenSpecificity, tiers, validity — and why a typed price does not stick.
What a document freezesWhich facts a document copies, and which it keeps reading live.
What OnERP doesn't do yetAn honest list, so nothing is discovered mid-month.
Building on the framework? Building on OnERP in the sidebar starts at Run OnERP locally and Your first resource.