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
PIP on GT.M is a mature and proven complete FOSS stack for developing transaction processing database applications with superb scalability, transaction throughput & unique functionality for extreme levels of business continuity.