WorldVistA EHR is based on and compatible with the U.S. Department of Veterans Affairs (VA) world renowned EHR, VistA (R). Please refer to the WorldVistA website: http://worldvista.org/Software_Download for download and installation instructions
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.