uniCenta oPOS - dynamically evolving POS project

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Keep up-to-date - Visit uniCenta oPOS Community News http://sourceforge.net/projects/unicentaopos/news/

uniCenta oPOS is a multi-lingual POS (Point-Of-Sale) application designed for Touchscreens. It supports industry standard hardware and is capable of running on display sizes from as little as 800x600 upwards.

Installing uniCenta oPOS is simple and fast and it comes packaged with its own built in Apache Derby Embedded database. It's also multi-terminal, multi-location and supports a range of proven commercial grade databases such as Apache Derby Client/Server, MySQL, HSQLDB, PostgreSQL and Oracle 11g.

It has a thriving and active self-serve Community here on Sourceforge.
Source code can be downloaded from http://www.unicenta.com/downloads


  • Windows XP; Windows Vista; Windows 7; Windows 8; WePOS; Linux; Mac OSX
  • Extensive peripheral support includes: Java POS; ESCPos; OPOS;
  • Switchable/Mixable Retail, Restaurant and Store sales screens
  • Bar; Cafe; Leisure; Restaurant; Retailer; Supermarket; General Store; Lots more...
  • Automatic screen resolution scaling from 800 x 600 up
  • Highly User customizable Sales screen, Ticket and Receipt layouts
  • Ideal for mobile retailers POS / Pop-up type stores
  • Customers; Products; Inventory and Multi-Location management
  • Apache Derby; MySQL; HSQLDB; PostgreSQL; Oracle databases and Cloud hosted databases
  • Category + Product Import
  • Multiple Printers + Output to Kitchen Display monitors
  • 40+ High Quality Reports
  • Internal Payment Gateways (US) and External terminal support - Chip and Pin
  • Barcode scanner; Weighing Scales; Mag Card; Customer Display
  • Powerful scripting language
  • Multi-Language - 15 langages inc' English; Spanish; German; French; Dutch; more...
  • Cloud hosted database capable
  • User and Role Security i.e.; Admin; Manager; Clerk; Guest Security
  • Inventory Management

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Reviews (78)

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Highest Rated

1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

Brilliant software, complete customisation Its designed to be run on all sorts of hardware, it can be fiddly but thats just because its such a flexible solution


Lowest Rated

1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

Installer does not run on latest version of OS X (10.3.8) Fails to detect Java Runtime Environment. Verified that current, working JRE is v 1.7, but installer does not detect properly. Cannot install software on latest OS X.

1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

Brilliant project, been playing around for 4 months and now installed it live at 2 sites, still learning how do do things, I am not a programmer, just someone that knows very little how Java and codes work, and with the help of the forum I managed to get most of my questions answered.

Posted 06/27/2014
1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

Amazed by uniCenta oPOS! Took the leap into open source for first time with version 3.6 and no regrets. We use in three countries and six stores and it's rock-solid. Saved us thousands of euros so donated some of that saving back to uniCenta to help keep this great project going. Would give more stars if I could

Posted 06/24/2014
1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

It is the basis for the best POS around!

Posted 06/18/2014
1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

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. I use Unicenta for my small shop and it has made everything so much easier. The support/ website and forum have just kept developing and improving, huge credit to the developer. Fabulous product and amazing that it is offered for free.

Posted 05/15/2014
1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

Having worked in the POS industry for a long time, this is an extremely useful and agile little POS system. Everyone will always want something that the software doesn't have for their particular circumstances in their particular business. This one is highly customisable and stable, and the developers have worked hard over each release to make things easier. If you are having trouble getting it to work for you and can't find the answer in the documentation, try the forums - all the answers are there. Don't forget, this is a free system, but you really should give the developers a little bit of money if you are using it.

Posted 05/15/2014
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