PatientOS is an open source electronic medical record (EMR or EHR) for physician offices and clinics.

PatientOS is an Open Source GPLv3 Helathcare Information System in the making. PatientOS version 0.82 brings together Acute Care Documentation, a rewrite of the Scheduling UI and the introduction of user defined Order States.

The documentation includes editable flowsheets, image uploads, graphs and charts as well as inked forms.

PatientOS is a free EMR system for physician offices and clinics. The system is designed to scale and evolve to be a fully fledged healthcare information system for hospitals.
Version 0.40 adds an HL7 laboratory result inbound interface (ORU^R01). A basic result viewer has been added to the chart.
PatientOS version 0.40 includes a demonstration web based Patient Portal. Patients can login and submit a progress form which is filed into their chart.
The patients chart includes a Flowsheet tab which displays the discrete details submitted via the Patient Portal. Basic communication orders can be created.

An email service has been added to allow the composition of text or HTML emails.

A Batch Scheduler has been created. Batch Jobs can be defined and executed at scheduled times.

The PatientOS Electronic Medical Record is an Open Source Healthcare Information System live or has an active implementation project in several large and small facilities.

Released under the GPL v3 license the system provides registration, scheduling, billing, clinical documentation, orders, patient portal, results, inventory and medication management functionality.

PatientOS is an open source Electronic Medical Record and destined to be a Hospital Information System. Version 0.26 marks the start of upgrade support for installation by providing a clean database and adding code to upgrade the database schema, data contents, server and client. Issues are now being logged in Jira at http://www.patientos.org:8090. Scheduling setup and configuration tools have been added to build Resources and Appointment Types. A new registration form was added configured to streamline data entry.

PatientOS Open Source EMR v0.99 "Falchion" Edition Released

PatientOS EMR is an open source health care information system with a comprehensive toolkit to customize the EMR to meet the needs of Hospitals, Clinics and Businesses seeking to integrate an EMR with their software.

PatientOS is an Open Source EMR for Hospitals, Physician Offices and other Healthcare Facilities. Version 0.85 brings the following features:

- All new look and feel.
- Role based security.
- Multi-facility logic.
- Extensive tool and chart enhancements.
- Progress Notes
- Custom physician documentation
- Detailed allergy, symptom, diagnosis, problem lists.

PatientOS, an Open Source (free) Electronic Medical Record (EMR) has released version 0.21 - a major update to physician office scheduling - custom appointment types, overbooking, rescheduling, multiple resource viewing, custom work schedules and more.

An online demo is available.

PatientOS is an open source (free) electronic medical record designed as a distributed system with open source components (PostgreSQL, JBoss, Hibernate, Swing, Mirth and more).

Version 0.75 integrates iReport, an open source report writer and JFreeChart, and open source graphing library. Form wizards and other enhancement round out this release.