Free CurrPorts Alternatives

The best free alternative to CurrPorts is System Informer, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to CurrPorts and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to CurrPorts are PortKiller, TCPView, Paessler PRTG Network Monitor and Netshow.

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CurrPorts alternatives page was last updated

Alternatives list

  1. PortKiller icon
     11 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. TCPView icon
     34 likes

    TCPView is a Windows program that will show you detailed listings of all TCP and UDP endpoints on your system, including the local and remote addresses and state of TCP connections.

    16 TCPView alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Windows
    • PortableApps.com
     
  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.

    110 Paessler PRTG Network Monitor alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Windows
    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
     
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    1
    Paessler PRTG Network Monitor vs CurrPorts Comments
    Guest
    Negative
    3

    CurrPorts is a small utility that is used to view the open ports on your local machine. PRTG monitors servers and network equipment throughout the network for uptime, lag, latency, etc... Nothing alike.

    Review by a new / low-activity user.
    • Paessler PRTG Network Monitor is Freemium and ProprietaryCurrPorts is Free and Proprietary
  4. Netshow icon
     5 likes

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

    26 Netshow alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Python
    • Mac
    • Linux
     
  5. Advanced Port Scanner is a fast and free software for port scanning. It will allow you to quickly find all open ports (TCP and UDP) and detect versions of programs running on them. The utility includes many features simplifying network management.

    51 Advanced Port Scanner alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Windows
     
  6. 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
     
  7.  2 likes

    Sudoless performance monitoring for Apple Silicon processors. CPU / GPU / RAM usage, power consumption & temperature.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Homebrew
     
  8. SmartSniff icon
     13 likes

    SmartSniff is a packet sniffer that capture TCP/IP packets and display them as sequence of conversations between clients and servers. You can view the TCP/IP conversations in Ascii mode (for text-based protocols, like HTTP, SMTP, POP3 and FTP) or as hex dump (for non-text base...

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Windows
     
  9. Resource Monitor is a system application in Microsoft Windows operating systems. It is used to view information about the use of hardware (CPU, memory, disk, and network) and software (file handles and modules) resources in real time.

    55 Resource Monitor alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Windows
     
  10.  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
     
12 of 22 CurrPorts alternatives