Nmap
Description: Nmap is an open source network discovery and security auditing tool. It is used to discover hosts and services on a network and to detect potential vulnerabilities.
Type: software
Pricing: Free
ping-di-pong
Description: Ping-di-pong is a simple, free ping utility software for Windows. It allows users to ping multiple host names or IP addresses and view results in a table. Useful for testing network connectivity.
Type: software
Pricing: Open Source