• I came across your amazing piece of POS software. I’ve been looking for something that is free and available on a Mac, but just works great. I was so happy when I found your system.

    Joel, USA
  • Konkurrierende mit bezahlten für Systeme, erfüllt diese wunderbare Anwendung meine Anforderungen und ermöglicht Anpassbarkeit, dass die meisten für diejenigen gezahlt fehlt.

    David, Germany
  • First of all, thank you for making this program. This will actually save the company I’m working for at least 18000(!!) euro’s if we instead use a system based on exact. That’s a very big plus!

    Bart, Netherlands
  • Amazing features for a free POS system.
    Works great and pretty fast.
    It’s just wonderful!

    Anon, Sourceforge downloader
  • I use uniCenta on Ubuntu for an Ice Cream Truck. This is the best after looking at numerous pos software, nothing compares. This software will work in almost all situations.

    Anon, Sourceforge downloader
  • I’ve been so pleased with this software. I’ve been using it for over a year now and when I recently ran an update and had a few problems the support from uniCenta was great.

    partyp, UK
  • I was looking for a good open source pos. I read many blog posts and many of them recommended uniCenta. I’ve download and hope to love it like the reviewers. I just thought it cool to say thank you in advance.

    Samuel, Kenya
  • I am the person responsible for the implementation of the uniCenta oPOS for a bar in Halifax, Nova Scotia. I love your work. uniCenta oPOS is a great piece of software.

    Craig, Canada
  • Brilliant software, complete customisation. It’s designed to be run on all sorts of hardware, it can be fiddly but thats just because its such a flexible solution.

  • Having worked in the POS industry for a long time,
    this is an extremely useful
    and agile little POS system.

    Jules, sourceforge
  • Well, The problem here is that uniCenta touts itself as being highly customizable. Well, In order to customize uniCenta, you have to alter the source code… this guy didn’t seem to like us very much!

    michaeldim, Sourceforge

Used all around the world

BOSSIE Award Winner. Independently ranked 3rd most popular POS
  • A favourite for a wide-range of businesses
  • Easy to use
  • Exceptional flexibility
  • 17 languages available

It’s free to download free to use and free to own

unicenta opos capterra tweet


Amusement Park to Zoo Gift Shop.
Hook-up uniCenta oPOS to a Barcode Scanner (Weighing Scales supported too) and you’re good to go.  Run stand-alone through to a multi-terminal, multi-warehouse, multi-location installation. Oh, nearly forgot… it’s multi-lingual too.


Built in Java uniCenta oPOS is Cross-platform. Runs on Windows XP through to Windows 8.1; Various flavours of Linux such as Ubuntu and Mint; Mac OS X Leopard and above. Connect industry standard peripherals like Epson, Citizen and SurePOS and many more.


Cafes, Bars, Restaurants. You name it.
Claiming that uniCenta oPOS competes with expensive fine-dining POS systems would be foolish yet we do have the basics more than well covered. Included are the likes of Modifiers, Table Management (with Reservations) and Kitchen printing.


Mobility is demanded!
uniCenta oPOS has been running on Windows and Linux tablets since 2010. Not some cut-down lightweight, it’s the same full-blown app’ that runs on the counter-top. Full functionality and flexibility is always available. Print to remote printers. Take card payments on the move. Queue busting in real-time.


Deli’ with a Cafe?
uniCenta oPOS works great in mixed-use environments like this. No need to struggle getting one POS to do two different jobs or the need to run separate systems any more. Access, share, control and report on the same data.


Connect uniCenta oPOS to databases hosted anywhere. Local. Network or Remote.
Go to the next stage and integrate uniCenta oPOS with your online app’s. eCommerce such as Magento, WooCommerce and OpenCart. CRM’s like Sugar, vTiger and soon CRM.me. ERP systems like OpenERP or Openbravo.

Fast install

No license required
Up & running in minutes


Free Open Source Software
Powerful. Flexible. Unrestricted.

Support You

Free self-serve Community forum
Direct support from us
Need development? Get in touch

Support Us

Help keep the uniCenta oPOS project alive. Buy some Support. Get your development quote here.

Customer Focus

Le Jardin Majorelle à Marrakech est l’un des endroits les plus visités du Maroc

Le Jardin Majorelle à Marrakech Maroc

Après des semaines de préparation et tests, nous sommes fiers d’annoncer que Jardin Majorelle, Marrakech, Morocco – est l’un des endroits les plus visités du Maroc avec plus de 800.000 visiteurs par an officiellement “live” avec uniCenta oPOS en préparation pour la saison d’été.
La première phase comprend La boutique Majorelle et La boutique du musée

Le Jardin Majorelle est la propriété de la Fondation Pierre Bergé – Yves Saint Laurent, Paris

Jardin Majorelle Marrakech Morocco

After several weeks of preparation and testing we are proud to announce that Jardin Majorelle, Marrakech, Morocco – one of the most visited places in Morocco with more than 800,000 visitors a year – have officially gone “live” with uniCenta oPOS in preparation for their summer season.
The first phase includes La boutique Majorelle and La boutique du musée

Jardin Majorelle is part of of the Fondation Pierre Bergé – Yves Saint Laurent, Paris

Looks good

uniCenta oPOS is one of the most versatile POS around with three screen types available to choose from straight out of the box;

  • Simple – ideal for stores with fast-moving checkouts
  • Standard – all features switched on
  • Restaurant – table management and reservations included

With 38 different skins – some serious and some just downright zany – uniCenta oPOS performs and looks great on Windows, Linux and Mac OSX whether you have a Touchscreen or not. Support for industry standard hardware and protocols as well as for commercial-grade databases is included as standard; Apache Derby; HSQLDB; MySQL; Oracle Express and PostrgreSQL. You can even host your database in the Cloud with the likes of Amazon.

Award winning

Every software publisher will tell you their application is the best – quite right too – and we’re no different though we much prefer uniCenta oPOS users to do that for us, and they have in their hundreds. Receiving recognition for our efforts is always great so when it comes from a respected publication like InfoWorld in the shape of a Bossie Best Applications Award. Looks like we’re in the mix with some quite well known, established and esteemed companies which makes receiving the award even more of a pleasure to receive.

The likes of Business-Software.com includes us in their Top 10 Open Source Software Tools and uniCenta oPOS is constantly ranked in Capterra’s Top 6 Free and Open-Source POS Solutions
It’s great to see too that we’re now being compared to commercially licensed POS… what’s more, we’re not through yet and there’s more to come!

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