piratuks/invoice-builder

What is it?

Key features

• 01Create invoices and quotes with live PDF preview in A4 or Letter format
• 02Drag-and-drop visual layout builder for documents
• 03XLSX import and export for business, client, item and other master data
• 04Partial payments, discounts, surcharges and inclusive or exclusive tax
• 05Export to UBL 2.1, Peppol BIS Billing 3.0 and XRechnung XML
• 06Desktop app on Windows, Linux and macOS, or self-hosted with Docker

Use cases

• A freelancer issuing invoices and quotes without a subscription
• A small business keeping client and billing records on its own machine
• Producing e-invoices in Peppol or XRechnung format
• Running a shared invoicing instance on a self-hosted server for several devices

Quick start

1. 1

   Clone the repository

   git clone https://github.com/piratuks/invoice-builder.git
2. 2

   Enter the project folder

   cd invoice-builder
3. 3

   Pull the Docker images

   docker compose pull
4. 4

   Start the app, then open http://localhost:3001 in your browser

   docker compose up -d

Things to know

• !Upgrading to 3.0.2 requires backing up databases and completing migrations through 2.10.0 first, or they will not upgrade.
• !The project is maintained by a single developer, so support and updates may be limited.

In collections

Topics

FAQ

What is invoice-builder?

Offline-first, open-source invoice and quotation app for freelancers and small businesses, with PDF export and local SQLite storage. Invoice Builder creates and manages invoices and quotes with a live PDF preview and A4 or Letter formats. Businesses, clients, bank accounts, items, categories, units and currencies can be imported and exported as XLSX. Financial handling covers surcharges, discounts, shipping, inclusive or exclusive tax, partial payments and document states.

Is invoice-builder free to use? What license does it have?

invoice-builder is open source under the MIT license. Check the license terms before using it in commercial products.

Is invoice-builder still maintained?

Actively maintained. The last commit to invoice-builder was on Nov 6, 2026.

What can I use invoice-builder for?

A freelancer issuing invoices and quotes without a subscription A small business keeping client and billing records on its own machine Producing e-invoices in Peppol or XRechnung format Running a shared invoicing instance on a self-hosted server for several devices

How do I install invoice-builder?

Clone the repository: git clone https://github.com/piratuks/invoice-builder.git Enter the project folder: cd invoice-builder Pull the Docker images: docker compose pull Start the app, then open http://localhost:3001 in your browser: docker compose up -d

Where can I get invoice-builder?

The source code and installation instructions are on GitHub: https://github.com/piratuks/invoice-builder