Why Open-Source Accounting Software Isn't Xero: The 4 Dividing Lines of Commercial Financial Systems
· 6 min read
If you only look at the core double-entry tables — Accounts, Journals, and Journal_Lines — a commercial system like Xero or QuickBooks and a typical open-source project on GitHub look about 90% identical. The moat is not in the schema you can see; it is in the complexity below the waterline.