Inhunmi is POS, Delivery, Contact, and Stock Control software for small (or even medium) companies. It was initially developed for a restaurant, but should be adaptable to other business. It is currently in Portuguese only.
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.