Astronaut(tm) VistA client installer. Server is installed by yum and apt-get repositories. Instructions here: http://astronautvista.com/astronaut-help/how-to/how-to-install-astronaut-vista-server-and-client
Implementation of ANSI Standard MUMPS 1995 and ISO/IEC 11756 for FreeBSD, OSX and linux. Also on the Raspberry Pi (ARM) under debian and Windows under cygwin.
This is the post-relational database.
OpenVista(R) is the open-source version of VistA, an enterprise grade health care information system developed by the U.S. Veterans Affairs and deployed at 1,500 global facilities. OpenVista is a registered trademark of Medsphere Systems Corporation