SpaceBooker is a powerful off- and online booking software for hostels, fairs, villages, rent-a-car and similar places with graphical booking needs. With it's graphical Front Desk software is packed with high usability unusual for a database product
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.