SmithableSoft to change. Hard as steel.

Build invoicing for freelancers, your own way

Invoicing for freelancers: clients, invoices with their lines and totals, sent and paid. Change it in your own words, by form or in code.

Hosted in the EU, your data in the EU, an EU AI when you choose it. Real code you own.

The Invoicing starter

Built as it is, this description makes the Invoicing starter at once, with no AI. Change it first and the app follows your words.

The Invoicing starter

What it is

  • Simple invoicing for freelancers.
  • Each user manages their own clients and invoices.
  • The total is calculated as the total amount of its lines.
The Invoicing starter, picture 1The Invoicing starter, picture 2

One change. Three ways.
The app follows.

Say it, fill in a form, or write the line: it is the same change, and the app has it at once.

The app's /invoices/new page before the changeThe app's /invoices/new page after the change: the new-invoice form gains a Reference field

“Invoices need a reference”: the form gains the field, whichever way made it.

All starters · The starters in the docs

How it works

  1. Describe it, or write the fileYour words become the app's spec: its records, pages and who may do what, in a short file you can read and edit (smithable.yml).
  2. The app follows the fileChange the description or the file and Smithable rebuilds the app, checks it and keeps its data. Every change can be undone.
  3. The code is yoursA real TypeScript web app: download it, run it anywhere, or hand it to a client. The engine is open source.
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