As the title suggests, I am looking for an open source, graph-based ERP system that is "as flexible/customizable as it gets".

Basically, I need to be able to implement my own data structure (ie. modelled as ER-Diagram) and business processes (i.e. BPMN).

Any advice welcome! :)

  • OFBiz works with Postgres and AgensGraph is a Postgres fork that provides a graph database. I haven't tried it, but maybe OFBiz works with AgensGraph Jun 11 '18 at 5:52

For your problem you can use the open ERP Odoo version 10 it is the best free ERP you can use, it is a complete version that gives you a lot of possibilities and you can modify what you want Here is the link to download it : https://www.odoo.com/fr_FR/page/download


I haven't used it myself, but ProcessMaker has a free open-source version of their workflow and BPM software which has many features in the free version. A feature comparison of their free and paid versions is located here, also see the comparison chart here. A comparison of several open source BPM packages (including ProcessMaker) is available here.

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