nTPV is a point of sale (POS) system. Designed to manage restaurants, bars, cafes, and similar businesses. It's based on KDE, QT, and uses XmlRpc and DCOP as comunication method. It uses postgresql as database backend.
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.