CurrPorts
CurrPorts displays the list of all currently opened TCP/IP and UDP ports on your local computer.
20 Alternatives To CurrPorts
Advanced Port Scanner
Advanced Port Scanner is a fast and free software for port scanning.
Axence netTools
Axence netTools is completely free of charge, both for home and commercial use – all you have to do is to register. A tool for professionals – and others.
Free Port Scanner
Free Port Scanner is a small, fast, easy-to-use and robust port scanner for the Win32 platform.
Netactview
Graphical network connections viewer for linux
PRTG Network Monitor
An advanced network monitoring solution to monitor network up/downtime, traffic and usage.
Port Authority
A handy systems and security-focused tool, Port Authority is a very fast Android port scanner.
PortsMonitor
PortsMonitor is a system utility for monitoring system TCP/IP network connections by application…
Proc Net Monitor
SecurityXploded is an Infosec Research Organization offering 200+ FREE Security/Password Recovery Tools, latest Research Articles and FREE Training on Reversing/Malware Analysis
Proxifier
Proxifier extends the advantages of a proxy server to network applications that don’t natively support it.
Resource Monitor
Resource Monitor is a system application in Microsoft Windows operating systems.
TCPEye
TCPEye is an easy-to-use monitoring application that will display a list of all network processes.
TCPView
TCPView is a Windows program that will show you detailed listings of all TCP and UDP endpoints on…
Wireshark
Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.
htop
htop - an interactive process viewer for Unix. This is htop, an interactive process viewer for Unix systems. It is a text-mode application (for console or X terminals) and requires ncurses.