PortsMonitor Alternatives

PortsMonitor is described as 'System utility for monitoring system TCP/IP network connections by application, and connections' status. With Search Expression support, you can filter connection with preferred conditions' and is an app. There are more than 10 alternatives to PortsMonitor for a variety of platforms, including Windows, Linux, Web-based, Mac and Android apps. The best PortsMonitor alternative is PortKiller, which is both free and Open Source. Other great apps like PortsMonitor are Netshow, Paessler PRTG Network Monitor, TCP Viewer and TCPView.

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Alternatives list

  1. PortKiller icon
     14 likes

    Advanced multi-OS desktop tool for monitoring and managing local TCP ports, identifying bound processes, watching ports for notifications, handling Cloudflare Tunnels, filtering and pinning, managing Kubernetes port-forwards with logs, plus real-time process termination.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
     
  2. Netshow icon
     6 likes

    Lightweight, performant interactive network connection monitor with friendly service names.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Python
    • Mac
    • Linux
     
  3. Comprehensive monitoring solution with over 200 sensor types, user-friendly interface, and powerful capabilities such as traffic analysis, failover clustering, and remote probes. Offers email and SMS alerts, supports SNMP and WMI, provides high-availability features and detailed reporting.

    116 Paessler PRTG Network Monitor alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Windows
    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
     
  4. TCP Viewer icon
     4 likes

    Real-time macOS network tool captures, displays, and filters TCP traffic using AppKit, libpcap, and Wireshark libraries, supports PCAP/PCAPNG files, offers protocol filters, drag-and-drop, noise reduction, detailed packet review, export options, and grouped traffic analysis.

    16 TCP Viewer alternatives

    Cost / License

    Application type

    Platforms

    • Mac
     
  5. TCPView icon
     34 likes

    Displays active TCP and UDP endpoints, including local and remote addresses, connection states, and owning processes. Provides real-time color-coded updates, adjustable refresh, IP resolution, and options to close connections or export data for analysis.

    16 TCPView alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Windows
    • PortableApps.com
     
  6. CurrPorts icon
     27 likes

    Displays all open TCP/IP and UDP ports with full process details including name, path, version, creation time, and user information. Supports closing connections, killing processes, marking suspicious ports, exporting data in multiple formats, and portable operation for network monitoring.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Windows
     
  7. PortChecker.app is a free online utility that instantly checks open ports on your device and server. The tool supports remote port scanning, IP lookup, and network diagnostics, making it a reliable solution for developers, system administrators, and cybersecurity professionals.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
     
  8.  2 likes

    Port Checker is a simple tool for checking open ports on your computer/device. Test port forwarding setup on your machine. Diagnose connection issue with the ports.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
     
  9. cStatus icon
     5 likes

    A free, reliable tool to scan and monitor networks.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Windows
     
  10. Proc Net Monitor is the FREE software to monitor & analyze the Network activity of all running Process on your system.

    It shows all open network Ports (TCP/UDP) and active Network Connections for each process.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Windows
     
  11. NetStat Agent icon
     2 likes

    NetStat Agent is a powerful and easy-to-use network toolkit for monitoring and diagnosing. It includes all useful network tools like netstat, ping, traceroute, ipconfig, dns query (nslookup), whois, arp, route and http checker.

    12 NetStat Agent alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
     
  12. Netactview icon
     2 likes

    Netactview is a graphical network connections viewer for Linux, similar in functionality with Netstat. It includes features like process information, host name retrieval, automatic refresh and sorting.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
     
12 of 13 PortsMonitor alternatives