OpenSSN is a modern submarine simulation that tries to balance fun, realism, and simplicity. Players are able to explore, detect ships, and manipulate sonar. The simulation includes enemy ships, torpedoes, and a variety of combat missions.
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.