There was a download of OPOS for the Ingenico iSeries 2.50 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program lies within Development Tools, more precisely IDE.
The most popular versions among the program users are 2.7, 2.5 and 2.4. The actual developer of the free program is Ingenico Services.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. This free PC program is developed for Windows XP/XP Professional/Vista/7/8/10/11 environment, 32-bit version.
From the developer:
Retailers and services providers are able to leverage OPOS and JavaPOS to program the i6550, i6580 and i6780. OPOS, OLE for Point of Sale, is an object-oriented programming environment used to develop POS terminal applications based on the popular Microsoft APIís.† JavaPOS, Java for POS Devices, is an object-oriented programming environment used to develop POS terminal applications based on the popular Java language.
You may want to check out more software, such as SAM4S OPOS Set, iSeries Report Downloader or OPOS Common Control Objects, which might be related to OPOS for the Ingenico iSeries.