This document summarizes major open source software used in healthcare, categorizing them into public health and bio surveillance, dental management, electronic health records, medical practice management, health system management, imaging/visualization, medical information systems, and research. Key software described include Epi Info for public health surveillance, Open Dental for dental records, CommuniMed and OpenEMR for electronic health records, ClearHealth for practice management, DHIS for health systems, Drishti for imaging, Caisis for medical information, and LabKey Server and Open Clinica for research.

1. Major Software Used in
Healthcare

2. Categories
1. Public health and bio surveillance
2. Dental management and patient record
3. Electronic health or medical record
4. Medical practice management software
5. Health system management
6. Imaging/Visualization
7. Medical information systems
8. Research

3. It is a public domain statistical software
for epidemiology developed by Centers
for Disease Control and Prevention.
Epi Info has been in existence for over
20 years and is currently available for
Microsoft Windows.
The program allows for electronic survey
creation, data entry, and analysis.
1. Public health and
biosurveillance – Epi Info

4.  Analysis include t-tests, ANOVA, non
parametric statistics, cross tabulations and
stratification with estimates of odds ratios,
risk ratios, and risk differences, logistic
regression (conditional and unconditional),
survival analysis (Kaplan Meier and Cox
proportional hazard), and analysis of complex
survey data.
 The software is in the public domain, free,
and can be downloaded from
http://www.cdc.gov/epiinfo.
Epi Info

5.  STEM is a tool, originally developed at
IBM Research, for modeling and
visualizing the spread of infectious
diseases.
 STEM is a framework and development
tool designed to help scientists create
and use spatial and temporal models of
infectious disease.
Spatiotemporal Epidemiological
Modeler (STEM)

6.  Open Dental is the first Open
Source dental management
package with very broad
capabilities on record management,
patient scheduling and dental office
management.
 Previously known as Free Dental,
is a Practice Management
2. Dental management and
patient record- Open Dental

7.  CommuniMed is a Free and Open
Source, Practice management and
Electronic Medical Records software
application.
 It features fully integrated electronic
medical records, practice management,
scheduling, electronic billing,
internationalization, and free support.
3. Electronic health or
medical record-
CommuniMed

8.  It is a practice management and
electronic and computer records
system.
 It allows the tracking of medical
data, in detail, with preservation not
just of the diagnosis but the
reasons for medical encounters.
FreeMED

9.  GNU Health (aka "Medical") is a
Free, centralized, highly scalable
Health and Hospital Information
System. It provides the following
functionality:
 Electronic Medical Record (EMR)
 Hospital Information System (HIS)
 Health Information System
GNU Health

10.  It is a Free and Open Source, Practice
management and Electronic Medical Records
software application.
 OpenEMR is one of the most popular free
electronic medical records in use today with
over 3,700 downloads per month
 It features fully integrated electronic medical
records, practice management, scheduling,
electronic billing, internationalization, and free
support.
OpenEMR

11.  It is a web-based electronic medical record
(EMR) system initially developed for
academic primary care clinics.
 It has grown into a comprehensive EMR and
billing system used by many doctor's offices
and private medical clinics in Canada and
other parts of the world.
 OSCAR stands for Open Source Clinical
Application and Resource and McMaster
refers to McMaster University, where it was
OSCAR McMaster

12.  The VistA is an enterprise-wide information system
built around an Electronic Health Record (EHR), used
throughout the United States Department of Veterans
Affairs (VA) medical system, known as the Veterans
Health Administration (VHA).
 It consists of nearly 160 integrated software modules
for clinical care, financial functions, and infrastructure.
 The VHA manages the largest medical system in the
United States,providing care to over 8 million veterans,
employing 180,000 medical personnel and operating
163 hospitals, over 800 clinics, and 135 nursing homes
throughout USA on a single electronic healthcare
information network
Veterans Health Information
Systems and Technology
Architecture (VistA)

13.  ClearHealth covers the five major areas of
practice operations including scheduling, billing,
EMR, HIPAA Security and accounts receivable.
 It offers a fully comprehensive system which
now offers tools like E-Prescribing, Drug
Interactions, Electronic Labs and Lab ordering.
 It is the largest open source healthcare solution
serving more than 500 sites including the
Primary Care Coalition network in MD with 50
sites and around 100,000 patients.
Medical practice management
software - ClearHealth

14.  DHIS is a highly flexible, open-source health
management information system and data
warehouse.
 The solution covers aggregated routine data,
semi-permanent data (staffing, equipment,
infrastructure, population estimates),
survey/audit data, and certain types of case-
based on patient-based data (for instance
disease notification or patient satisfaction
5. Health system management-
District Health Information
System (DHIS)

15.  Drishti is a multi-platform, open-source
Volume Exploration and Presentation Tool.
 It was written for visualizing tomography
data, electron-microscopy data and so forth.
 It aims to ease understanding of the data set
and to assist with conveying that
understanding to the research community or
a lay person.
6. Imaging/Visualization -
Drishti

16.  InVesalius is a free medical software used
to reconstruct structures of the human body.
 Based on two-dimensional images, acquired
using Computed tomography or Magnetic
resonance imaging equipments, the software
generates virtual three-dimensional models
correspondent to anatomical parts of the
human body.
InVesalius

17.  Caisis is a web based information system for the
storage and analysis of cancer patient data
intended to bridge the gap between clinic and
research.
 It is an open source, web-based, patient data
management system that integrates research with
patient care.
 The system is freely distributed to promote the
collection of standard, well structured data suitable
for research and multi-institution collaboration.
7. Medical information
systems - Caisis

18.  LabKey Server is free, open source software
available for scientists to integrate, analyze, and
share biomedical research data.
 The platform provides a secure data repository that
allows web-based querying, reporting, and
collaborating across a range of data sources.
 It provides secure, web-based access to research
data and includes a customizable data processing
pipeline.
8. Research – LabKey
Server

19.  OpenClinica is an open source
clinical trial software platform with
electronic data capture (EDC) and
clinical data management
capabilities.
Open Clinica