jNetTool is a Swiss-knife for networks. It includes whois and nslookup queries, ping and traceroute, an IP address calculator, and a visual network planing-tool.
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.
