OpenEMR - Electronic Medical Records

    Recently came across this software used to keep hospital records while browsing a site called BigThink. It is called Open-EMR (Electronic Medical Records), a 10 year old project with ~500,000 lines of code, became one of the first PHP projects to become a government certified EHR. OpenEMR is an ONC-ATB Ambulatory EHR 2011-2012 certified electronic health records and medical practice management application. It is written in php and runs on LAMP systems, most of the developers are Linux enthusiasts but the user base for the software is mainly Windows machines.

The website for the application
The non-profit organization for the application
List of OpenEMR's features
Online demo of the software
A presentation about Open-EMR
Download the application and or the source code