OpenEMPI

6.2easy start · #13 of 25
in Identity Resolution Software

Free to practise onnot on record
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on api, Linux, self-hosted, Web, Windows.

OpenEMPI is ranked #13 of 25 in identity resolution software on The Geeks Club. It runs on API, Linux, Self-hosted, Web, Windows. There is no free plan.

OpenEMPI plans and pricing

All plans

Commercial annual subscription Not published Annual subscription; quote based on deployment scope, data volume, integrations, support needs, and commercial terms. Enterprise quote · Commercial licensing models and SLA details available from sales openempi.org · 2 Oct 2026

Compared on identity resolution software

Free plan: No
Matching approach: hybrid
Real-time API: Yes
Batch file import: Yes
Organization matching: Yes

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The record

What it does: OpenEMPI is entity-resolution and record-deduplication software that links duplicate records into trusted master records.
Matching methods: It offers deterministic, probabilistic, and artificial intelligence-based matching in a configurable pipeline.
Matching tools: The site lists Jaro–Winkler, Levenshtein, Soundex, and Double Metaphone among its distance metrics.
Stewardship: Uncertain candidate matches can go to a review queue with confidence scores, merge or reject controls, and an audit trail.
Processing: The product supports real-time and batch processing modes.
Integrations: The site lists a RESTful API, webhooks, HL7 v2/v3, and FHIR integration options.
Data model: OpenEMPI supports a customizable, domain-agnostic data model for patient, provider, customer, business, and other records.
Deployment: The documentation describes installing and operating an OpenEMPI instance on Unix/Linux, and installer documentation also covers Windows.
Administration: OpenEMPI has a web Administrative Console for configuring and managing an instance.
Audit: The documentation says OpenEMPI audits requests submitted to the server and stores them in the database for persistence.
Support: The company offers commercial support and SLAs; licensed customers can access private support resources and custom modules.
Maker: SYSNET International says it has built software since 1998 and identifies OpenEMPI as its record-matching product.
Headquarters: Fairfax, Virginia, United States

Where it ranks on The Geeks Club

Best Identity Resolution Software in 2026#13 of 25

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Sources

openempi.org· checked 2 Oct 2026
openempi.org/resources/docs/installation-using-the-i· checked 2 Oct 2026
openempi.org/resources/docs/administrative-console-n· checked 2 Oct 2026
openempi.org/resources/docs/reviewing-audit-informat· checked 2 Oct 2026
openempi.org/resources/· checked 2 Oct 2026
sysnetint.com/about/· checked 2 Oct 2026
openempi.org/contact/· checked 2 Oct 2026