Shillinq is a Nextcloud app built on OpenRegister. Reading about what it does is not the same as clicking through it, and standing up a Nextcloud by hand to find out is more work than most people will do on a first look.
This tutorial removes that step. One file, two commands, and you are looking at the real thing.
Shillinq is an open-source business-administration app for the Nextcloud workspace. It covers double-entry bookkeeping, sales and purchase invoicing, procurement, contract management, and bank reconciliation, all on top of OpenRegister. This first tutorial keeps it small: you install the app, get your bearings on the Financial overview dashboard, and create your first sales invoice with the quick draft. Everything happens in the browser, no configuration files.