Add-ons
Plugins allow developers to build a completely custom view (such as the scheduling calendar or results viewer) when the existing configuration options will not suffice.
To create a Plugin developers can download the source code, setup their favorite Java IDE (such as Eclipse) and code for a fairly simple API. The compiled classes are distributed with the client and/or server in a jar file.
The system options are used to point to the new code
PatientOS - Free EMR - Open Source - click here to download