License & Deployment Mix: 15 tools – 5 OSS, 6 SaaS. (OSS and SaaS counts can overlap when an open-source tool also offers a vendor-hosted edition.)

What Is EHR/EMR Software?

Electronic Health Record (EHR) and Electronic Medical Record (EMR) systems are clinical software platforms that digitize patient health information, streamline clinical workflows, and support regulatory compliance. While “EMR” traditionally refers to a single practice’s digital chart, “EHR” implies broader interoperability – sharing records across organizations, labs, pharmacies, and payers.

Modern EHR/EMR platforms go far beyond charting. They serve as the operational backbone of clinics, practices, and hospitals, integrating clinical, administrative, and financial functions into a unified system.

Key capabilities:

• Patient records – demographics, medical history, problem lists, allergies, immunizations, vitals, and clinical notes
• Clinical documentation – encounter notes, templates, voice dictation, and AI-assisted charting
• Scheduling – appointment management, provider calendars, resource booking, and waitlists
• Billing / RCM – charge capture, claims submission, revenue cycle management, and payment processing
• e-Prescribing – electronic prescription ordering with drug interaction checks and formulary verification (EPCS for controlled substances)
• Lab integration – electronic lab orders, result retrieval, and abnormal value alerting
• Telehealth – integrated video visits, virtual waiting rooms, and remote patient monitoring
• Patient portal – secure messaging, online scheduling, lab results, and bill pay for patients
• HL7 / FHIR interoperability – standards-based data exchange with other systems (HL7 v2, CDA, FHIR R4)
• Compliance – HIPAA, HITECH, ONC certification, Meaningful Use / Promoting Interoperability, and MIPS/MACRA quality reporting

The information on these pages was researched by a combination of human review and large language models. To suggest an addition or correction, please contact us. Prepared by Rhodium Systems Inc., author of the ResorsIT platform — a unified IT operations management platform for IT teams and MSPs that integrates a curated suite of open-source, commercial, and SaaS applications into a single system with shared identity, single sign-on, access control, and a common audit trail. Use this catalogue only as a starting point for your own research, and review any tool carefully against your own requirements before relying on it. Catalogue data version 2026.197.

Comparison

Feature Matrix

* Via integrated component (Odoo, OpenMRS module) ** International focus; HIPAA compliance is a US-specific requirement

SSO / OIDC Comparison

OIDC is the preferred SSO protocol.

Open Source

* Inherits from OpenMRS

Commercial (Small/Mid Practice)

* Enterprise customers only; contact vendor

Commercial (Enterprise)

SoF* Smart on FHIR (OAuth2 for apps, not user SSO) OCI* Via Oracle Identity Cloud

Best SSO support (open source): OpenEMR (native OIDC) and OpenMRS (OIDC module).

Best SSO support (commercial): Enterprise vendors (Epic, Oracle Health, MEDITECH, Veradigm, NextGen) all support SAML + AD/LDAP. Small practice cloud vendors generally lack external SSO.

Deployment Comparison

Open Source

Commercial

* Sunrise is on-premises; other products are cloud

Key insight: Open-source EHRs are the only options that can be self-deployed and managed directly. Commercial cloud SaaS products offer no infrastructure management opportunity. Enterprise on-premises products (Epic, Oracle Health, MEDITECH) offer infrastructure support opportunities.

Licensing Comparison

Open Source

Commercial (Small/Mid Practice)

Commercial (Enterprise)

Tools

15 tools.

AdvancedMD

AdvancedMD is a cloud-based EHR and practice management platform targeting small to mid-size ambulatory practices.

License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: OIDC, SAML

Website

athenahealth

athenahealth provides athenaOne, a fully integrated cloud-native EHR, medical billing, practice management, and patient engagement platform.

License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: OIDC, SAML

Website

Bahmni

Bahmni is an open-source hospital information system (HIS) and electronic medical record (EMR) designed for low-resource environments.

License: AGPL-3.0-only (OSS) · Kind: web · Deploy: native, docker · SSO: OIDC

Website · Source

DrChrono

DrChrono is a cloud-based EHR platform known for its iPad-first approach to clinical documentation. It provides integrated EHR, practice management, medical billing, revenue cycle management, and telehealth in a single platform.

License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: none

Website

Epic

Epic Systems is the dominant EHR vendor in the United States, serving approximately 42–55% of the acute care hospital market (depending on measurement) and 37–44% of the ambulatory market.

License: Proprietary (proprietary) · Kind: web · Deploy: native · SSO: none

Website

GNU Health

GNU Health is a free/libre health and hospital information system that combines electronic medical records (EMR), hospital management (HMIS), and health information system (HIS) functionality.

License: GPL-3.0-only (OSS) · Kind: web · Deploy: native · SSO: none

Website · Source

LibreHealth EHR

LibreHealth EHR is a fork of OpenEMR, created in 2016 with the goal of building a more modern and clinician-friendly EHR. It is part of the broader LibreHealth community, which also includes LibreHealth Radiology and LibreHealth Toolkit.

License: MPL-2.0 (OSS) · Kind: web · Deploy: native, docker · SSO: none

Website · Source

MEDITECH

MEDITECH is a privately held EHR vendor focused on community hospitals, critical access hospitals, and rural healthcare facilities.

License: Proprietary (proprietary) · Kind: web · Deploy: native, saas · SSO: none

Website

NextGen Healthcare

NextGen Healthcare provides ambulatory-focused EHR and practice management solutions. The company offers two product lines: NextGen Enterprise for mid-size to large practices, and NextGen Office (cloud-based) for smaller groups.

License: Proprietary (proprietary) · Kind: web · Deploy: native · SSO: none

Website

OpenEMR

OpenEMR is the most widely adopted open-source electronic health records and medical practice management application. It is ONC certified, HIPAA-compliant, and supports over 30 languages via UTF-8 encoding.

License: GPL-3.0-only (OSS) · Kind: web · Deploy: native, docker · SSO: OIDC

Website · Source

OpenMRS

OpenMRS (Open Medical Record System) is a collaborative open-source platform for building customized medical record systems.

License: MPL-2.0 (OSS) · Kind: web · Deploy: native, docker · SSO: OIDC

Website · Source

Oracle Health (formerly Cerner)

Oracle Health is the enterprise EHR division of Oracle Corporation, created after Oracle acquired Cerner in June 2022 for $28.3 billion.

License: Proprietary (proprietary) · Kind: web · Deploy: native, saas · SSO: OIDC

Website

Practice Fusion

Practice Fusion is a cloud-based, ONC-certified EHR for small and independent medical practices, offering patient records, clinical documentation, e-prescribing, and lab integration.

License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: none

Website

Tebra (formerly Kareo)

Tebra is a cloud-based EHR and practice management platform formed from the merger of Kareo and PatientPop in 2021. The Kareo brand officially transitioned to Tebra in December 2024.

License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: none

Website

Veradigm (formerly Allscripts)

Veradigm (formerly Allscripts Healthcare Solutions) rebranded in January 2023. The company provides EHR, practice management, and health data analytics solutions for physician practices, hospitals, and health systems.

License: Proprietary (proprietary) · Kind: web · Deploy: native · SSO: none

Website