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Healthcare · head to head

GNU Health vs OpenMRS

GNU Health logo

GNU Health

Healthcare

Free hospital and health information system from a small NGO, built on the Tryton framework

From
Free
Rated
-
Full reviewWebsite
OpenMRS logo

OpenMRS

Healthcare

Open source electronic medical record platform for low-resource settings, with no vendor and paid implementers instead

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: GNU Health development depends on GNU Solidario, a very small nonprofit funded by donations and training, so release cadence and long-term continuity are tied to a handful of people rather than to an engineering organisation.; OpenMRS there is no vendor and no support contract from OpenMRS itself, so a procurement that requires a named supplier with a service level must instead contract an implementer, and the quality of that implementer determines the outcome more than the software does
  • They diverge on capability: GNU Health covers Electronic medical record, OpenMRS covers Concept dictionary.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which GNU Health and OpenMRS actually diverge.

Attributes where GNU Health and OpenMRS differ
AttributeGNU HealthOpenMRS
PlatformsLinux, Web, Self-hostedLinux, Web, Windows

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

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 GNU Health

  • Electronic medical record
  • Hospital management
  • Laboratory information system
  • Social medicine modules
  • Tryton business modules
  • Health federation
  • ICD and standards support
  • Modular installation

Only in OpenMRS

  • Concept dictionary
  • Modular architecture
  • Modern front end
  • FHIR support
  • Offline tolerance
  • Patient matching and registration
  • Distributions

What people use each for

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

GNU Health

  • A public hospital in a low-resource setting that cannot fund commercial EMR licensing and has in-house Linux capabilitynot OpenMRS
  • A ministry building a national health network where source code inspection and data sovereignty are policy requirementsnot OpenMRS
  • A university teaching health informatics that needs a complete, inspectable system rather than a vendor demonstrationnot OpenMRS
  • A community health programme that needs socioeconomic determinants recorded alongside clinical datanot OpenMRS

OpenMRS

  • A ministry of health standardising HIV treatment records across hundreds of facilities where per-patient licensing would be unaffordablenot GNU Health
  • A hospital network in a country where no commercial vendor supports the local language, clinical forms or reporting requirementsnot GNU Health
  • An NGO running a tuberculosis programme that must report into DHIS2 and needs the clinical record beneath it to be modifiablenot GNU Health
  • A health system that wants to own its clinical data model outright rather than depend on a vendor to extend itnot GNU Health

Where each one falls short

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

GNU Health

  • Development depends on GNU Solidario, a very small nonprofit funded by donations and training, so release cadence and long-term continuity are tied to a handful of people rather than to an engineering organisation.
  • It is built on Tryton, a framework few health IT staff know, so hiring or contracting people who can extend and maintain it is materially harder than for a mainstream stack.
  • Installation, upgrades and database administration assume Linux and Python competence, which puts the real cost on staffing rather than on licensing and defeats hospitals that lack that team.
  • The interface is functional rather than designed, and clinician acceptance is a genuine deployment risk compared with commercial systems that have invested heavily in usability.
  • Certification, regulatory conformance and interoperability testing that some jurisdictions demand of clinical systems are not provided by a vendor, so the adopting institution has to carry that work and that liability itself.

OpenMRS

  • There is no vendor and no support contract from OpenMRS itself, so a procurement that requires a named supplier with a service level must instead contract an implementer, and the quality of that implementer determines the outcome more than the software does
  • It is a framework rather than a ready product, so a deployment requires clinical content, form design, concept dictionary work and integration before a single patient is registered, and that work is months of skilled effort
  • Funding comes largely from donor programmes, which makes the pace of core development dependent on grant cycles rather than on a commercial roadmap, and priorities can shift when a funder does
  • Distribution choice, core OpenMRS against Bahmni against Ozone, locks in a different set of components and a different implementer pool, and migrating between distributions later is close to a fresh implementation
  • The people cost never goes away: a national deployment needs permanent internal informatics capacity or a permanent support contract, and organisations that budget only the zero licence fee run out of money at the point the system becomes clinically critical

Pricing, plan by plan

GNU Health

Free
  • GNU HealthFree
    • GNU GPL licence
    • All modules included
    • No patient, bed or user limits
  • Support and training$undefined/year
    • Paid support and implementation from GNU Solidario
    • Training courses and certification
    • Quoted per institution

OpenMRS

Free
  • OpenMRSFree
    • Openly licensed, no licence fee and no seat limits
    • Community support through forums and the OpenMRS Talk platform
    • No support contract available from OpenMRS itself

Which should you pick?

Choose GNU Health if

  • You need electronic medical record.
  • You want to start without paying.
  • You work on Linux, Web, Self-hosted.
  • You also want hospital management.
GNU Health review

Choose OpenMRS if

  • You need concept dictionary.
  • You want to start without paying.
  • You work on Linux, Web, Windows.
  • You also want modular architecture.
OpenMRS review

Questions people ask

Is GNU Health or OpenMRS better?
Neither clearly leads. GNU Health starts at Free and OpenMRS at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GNU Health or OpenMRS?
GNU Health starts at Free and OpenMRS at Free.
Does GNU Health or OpenMRS run on more platforms?
GNU Health runs on Linux, Web, Self-hosted. OpenMRS runs on Linux, Web, Windows.
Can I use GNU Health for free?
Both have a free tier, so you can try either at no cost before committing.
What is GNU Health best used for?
GNU Health is most often used for a public hospital in a low-resource setting that cannot fund commercial emr licensing and has in-house linux capability, a ministry building a national health network where source code inspection and data sovereignty are policy requirements, a university teaching health informatics that needs a complete, inspectable system rather than a vendor demonstration, a community health programme that needs socioeconomic determinants recorded alongside clinical data. Of those, a public hospital in a low-resource setting that cannot fund commercial emr licensing and has in-house linux capability and a ministry building a national health network where source code inspection and data sovereignty are policy requirements are not what OpenMRS is typically brought in for.
What can GNU Health do that OpenMRS cannot?
GNU Health covers Electronic medical record, Hospital management, Laboratory information system, Social medicine modules. OpenMRS covers Concept dictionary, Modular architecture, Modern front end, FHIR support.

Answered from the vendors’ own pages

GNU Health: Who develops GNU Health?

GNU Solidario, a Spanish nonprofit NGO, as an official GNU package under the GPL.

OpenMRS: Who supports OpenMRS if it breaks?

Not OpenMRS itself. Support is bought from implementers such as Mekom Solutions, which offers long-term production service level agreements for OpenMRS, Bahmni and Ozone deployments, or from regional partners.

GNU Health: Is there commercial support?

Yes, in a limited form, from GNU Solidario itself and a small number of implementers. It is not a vendor support organisation.

OpenMRS: Is it really free?

The software has no licence fee. Hosting, configuration, clinical content, integration and support are the real cost, and they are ongoing.

GNU Health: What is it built on?

Tryton, a Python business application framework, which is where its accounting, stock and HR modules come from.

OpenMRS: What is the difference between OpenMRS, Bahmni and Ozone?

OpenMRS is the core platform. Bahmni and Ozone are distributions that package it with billing, laboratory and inventory components. Choosing a distribution constrains your implementer options.

GNU Health: Is it suitable for a large hospital?

It is deployed in hospitals, but the deciding factor is whether you have internal Linux, Python and Tryton capability rather than the size of the institution.

OpenMRS: Does it support FHIR?

Yes. FHIR support is the standard route for integrating laboratory, pharmacy and national reporting systems.

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