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Open-source Zettle alternative

One open-source alternative to Zettle, with its features, GitHub activity and licence.

The open-source alternative to Zettle listed on Enlisted is Open Source POS.

Open Source POS is listed under e-commerce tools. It shipped code in the last 30 days and can be self-hosted.

Last updated October 3, 2026 · ranked by GitHub stars, growth and recent commits

Open Source POS

A web-based point of sale system built with PHP and MySQL, covering inventory, sales, invoicing, reporting and multi-user permissions.

GitHub stars
4.4k
Last commit
today
Latest release
3.4.2
Self-hosted
Yes
opensourcepos.orgOpen Source POS homepage screenshot

Open Source Point of Sale is a web-based point of sale application written in PHP. It stores data in MySQL or MariaDB and has a simple, intuitive interface; the 3.4 release is described as a complete overhaul, moving to CodeIgniter 4 with a Bootstrap 3 and Bootswatch based design.

Its feature list covers stock management for items and kits, VAT, GST and multi-tier taxation, a sale register with transaction logging, quotations and invoicing, expenses, cash-up, printing and emailing of receipts, barcode generation, customer and supplier databases, gift cards, rewards, restaurant tables, SMS messaging and reports on sales, orders, expenses and inventory.

Access is multiuser with permission control, the interface is multilingual, MailChimp integration is available, and Google reCAPTCHA can protect the login page against brute force attacks. The project describes itself as GDPR ready, provides a live demo, and is written in PHP.

Key features

  • Stock management for items and kits
  • Sale register with transaction logging
  • Quotations and invoicing
  • Multi-tier tax support including VAT and GST
  • Barcode generation and receipt printing
  • Multiuser permission control
  • Reports on sales and inventory
  • Gift cards and rewards

Zettle alternatives: questions

What is the best open-source alternative to Zettle?
Open Source POS is the only open-source alternative to Zettle listed on Enlisted so far: A web-based point of sale system built with PHP and MySQL, covering inventory, sales, invoicing, reporting and multi-user permissions.
Is Open Source POS free?
Open Source POS is open source, so the code is free to use under its licence, and it can be self-hosted on your own server or computer.
How does Enlisted rank Zettle alternatives?
By a score built from GitHub stars, star growth over the last 30 days and how recently the code changed. Open Source POS shipped code in the last 30 days. Data is refreshed daily, and nobody can pay to move up.

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