TCPView - TCPView is a Windows program that will show you detailed listings of all TCP and UDP endpoints on...
Win10Pcap - Win10Pcap is a WinPcap-based Ethernet packet capture library.
CurrPorts - CurrPorts displays the list of all currently opened TCP/IP and UDP ports on your local computer.
Npcap - Npcap is the Nmap Project's packet sniffing library for Windows.
TCP Optimizer - SpeedGuide.net - The Broadband Guide. Cable modems, DSL, Wireless, Network security. Free speed tweaks and TCP/IP tools for optimizing system performance.
Proxycap - ProxyCap empowers you to divert your PC’s system associations through intermediary servers.