CapCode is a navigation system for sailors with a specialization in regatta assistance. It handles acquisition of data coming from NMEA bus and GPS, computation of the VMG, and route tracing on raster charts. It contains a chart editor.
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.