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ERP · head to head

iDempiere vs Swagger UI

iDempiere logo

iDempiere

ERP

Community-governed open source ERP, CRM and supply chain built on Java, OSGi and PostgreSQL

From
Free
Rated
-
Full reviewWebsite
Swagger UI logo

Swagger UI

Developer Tools

Interactive API documentation generated from OpenAPI specs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: iDempiere there is no vendor, so there is no support contract, no service level agreement and nobody to escalate to; you either build the skills internally or you depend entirely on a local partner whose quality you must judge yourself.; Swagger UI only as good as the specification: a thin OpenAPI file produces thin documentation
  • They diverge on capability: iDempiere covers Application dictionary, Swagger UI covers OpenAPI rendering.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which iDempiere and Swagger UI actually diverge.

Attributes where iDempiere and Swagger UI differ
AttributeiDempiereSwagger UI
PlatformsWeb, Self-hosted, Docker, Linux, WindowsWeb, Self-hosted, Docker
CategoryERPDeveloper Tools

Identical on both: starting price (Free), pricing model (Open source, no licence fee), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in iDempiere

  • Application dictionary
  • OSGi plug-in architecture
  • Multi-organisation accounting
  • Materials management
  • Manufacturing
  • Workflow engine
  • Report and print engine
  • No paid edition

Only in Swagger UI

  • OpenAPI rendering
  • Try it out
  • Schema display
  • Self-hostable

What people use each for

The jobs each tool is most often brought in to do.

iDempiere

  • A distributor wants multi-organisation, multi-currency accounting and warehouse costing without a per-user ERP licence that scales with headcount.not Swagger UI
  • An organisation that has been caught by an open core vendor moving features into a paid tier wants an ERP with no company that can make that decision.not Swagger UI
  • A team needs heavy customisation of screens, fields and approval workflows that must survive version upgrades, which the application dictionary makes possible without forking.not Swagger UI
  • A public sector or university body in Latin America or Indonesia needs a locally supportable ERP where the source and the implementation skills are both available in-country.not Swagger UI

Swagger UI

  • Publishing API documentation that stays in step with the specificationnot iDempiere
  • Letting developers try endpoints before writing any client codenot iDempiere
  • Internal API discovery across teamsnot iDempiere

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

iDempiere

  • There is no vendor, so there is no support contract, no service level agreement and nobody to escalate to; you either build the skills internally or you depend entirely on a local partner whose quality you must judge yourself.
  • It demands real Java, OSGi and PostgreSQL administration, so the running cost is a systems engineer rather than a subscription, and that engineer is harder to hire than a PHP developer.
  • The ZK-based interface is dense and dated, with a data-entry feel inherited from Compiere that staff used to modern software find hostile, which drives up training cost.
  • Localisation depends on community contribution, so tax, payroll and statutory reporting for your country may be absent, out of date or maintained by one person, and you may end up funding it yourself.
  • The documentation is a community wiki with gaps and stale pages, and much of the practical knowledge sits in forum threads and partner heads rather than in anything you can hand to a new administrator.

Swagger UI

  • Only as good as the specification: a thin OpenAPI file produces thin documentation
  • Default presentation is dated compared with modern documentation tools
  • Large specifications render slowly and become hard to navigate
  • Try it out against production needs care with authentication and CORS, and is often disabled as a result

Pricing, plan by plan

iDempiere

Free
  • iDempiereFree
    • Full ERP, CRM and supply chain source
    • Unlimited users and organisations
    • No enterprise edition and no feature gating
  • Implementation partner$undefined/year
    • Local partners provide installation, configuration, training and support
    • Priced per engagement, not published
    • Realistically the only viable route for a production deployment

Swagger UI

Free
  • Swagger UIFree
    • Full functionality
    • Commercial use permitted
    • Community support

Which should you pick?

Choose iDempiere if

  • You need application dictionary.
  • You want to start without paying.
  • You work on Web, Self-hosted, Docker, Linux, Windows.
  • You also want osgi plug-in architecture.
iDempiere review

Choose Swagger UI if

  • You need openapi rendering.
  • You want to start without paying.
  • You work on Web, Self-hosted, Docker.
  • You also want try it out.
Swagger UI review

Questions people ask

Is iDempiere or Swagger UI better?
Neither clearly leads. iDempiere starts at Free and Swagger UI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, iDempiere or Swagger UI?
iDempiere starts at Free and Swagger UI at Free.
Does iDempiere or Swagger UI run on more platforms?
iDempiere runs on Web, Self-hosted, Docker, Linux, Windows. Swagger UI runs on Web, Self-hosted, Docker.
Can I use iDempiere for free?
Both have a free tier, so you can try either at no cost before committing.
What is iDempiere best used for?
iDempiere is most often used for a distributor wants multi-organisation, multi-currency accounting and warehouse costing without a per-user erp licence that scales with headcount., an organisation that has been caught by an open core vendor moving features into a paid tier wants an erp with no company that can make that decision., a team needs heavy customisation of screens, fields and approval workflows that must survive version upgrades, which the application dictionary makes possible without forking., a public sector or university body in latin america or indonesia needs a locally supportable erp where the source and the implementation skills are both available in-country.. Of those, a distributor wants multi-organisation, multi-currency accounting and warehouse costing without a per-user erp licence that scales with headcount. and an organisation that has been caught by an open core vendor moving features into a paid tier wants an erp with no company that can make that decision. are not what Swagger UI is typically brought in for.
What can iDempiere do that Swagger UI cannot?
iDempiere covers Application dictionary, OSGi plug-in architecture, Multi-organisation accounting, Materials management. Swagger UI covers OpenAPI rendering, Try it out, Schema display, Self-hostable.

Answered from the vendors’ own pages

iDempiere: Is iDempiere the same as ADempiere or Compiere?

It shares the lineage. iDempiere forked from ADempiere in 2011 to rebuild the platform on OSGi, and it is the branch that remains actively developed.

Swagger UI: Is Swagger UI free?

Yes, open source under the Apache 2.0 licence. SmartBear sells commercial SwaggerHub separately.

iDempiere: Is there a paid or enterprise edition?

No. There is no commercial owner and no feature gating. Money is spent on implementation partners and hosting, not on licences.

Swagger UI: What is the difference between Swagger and OpenAPI?

OpenAPI is the specification format; Swagger is the toolset around it, including Swagger UI. The specification was renamed from Swagger to OpenAPI in 2016.

iDempiere: What does it actually cost to run?

Nothing in licence fees, and a great deal in skills: expect a partner implementation and ongoing Java and PostgreSQL administration, which for a mid-sized company is comparable to a commercial subscription.

Swagger UI: Can Swagger UI make real API calls?

Yes, through its try-it-out control, though authentication and CORS configuration often mean it is disabled for production APIs.

iDempiere: Which database does it need?

PostgreSQL or Oracle. PostgreSQL is the mainstream community choice and the one most partners deploy.

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