Software Alternatives, Accelerators & Startups

tcpdump

tcpdump is a common packet analyzer that runs under the command line.

Some of the top features or benefits of tcpdump are: Powerful packet capturing, Wide compatibility, Filter flexibility, Command-line interface, and Free and open-source. You can visit the info page to learn more.

Best tcpdump Alternatives & Competitors in 2025

The best tcpdump alternatives based on verified products, community votes, reviews and other factors.
Filter: 12 Open-Source Alternatives. Latest update:

  1. 48

    Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.

    Open Source

    /wireshark-alternatives
  2. 41

    Ettercap is a suite for man in the middle attacks on LAN.

    /ettercap-alternatives
  3. NinjaOne (Formerly NinjaRMM) provides remote monitoring and management software that combines powerful functionality with a fast, modern UI. Easily remediate IT issues, automate common tasks, and support end-users with powerful IT management tools.

    Try for free paid Free Trial

    Try for free
  4. 34

    Netcat is a featured networking utility which reads and writes data across network connections...

    Open Source

    /netcat-alternatives
  5. 37

    SmartSniff is a packet sniffer that capture TCP/IP packets and display them as sequence of conversations between clients and servers.

    /smartsniff-alternatives
  6. 38

    NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows.

    /networkminer-alternatives
  7. 16

    socat is a relay for bidirectional data transfer between two independent data channels.

    /socat-alternatives
  8. 22

    PCAPdroid is an android app to capture the phone traffic and analyze it remotely (e.g. via Wireshark). The traffic can be easily downloaded from a remote device thanks to the integrated HTTP server, or streamed to a remote UDP receiver.

    /pcapdroid-alternatives
  9. 14

    Packet Sender can send and receive UDP, TCP, and SSL on the ports of your choosing.

    /packet-sender-alternatives
  10. 12

    Do you need to map a specific TCP or UDP port on your machine to another port on another machine?

    /portmapper-alternatives
  11. 12

    Simple Port Forwarding works with WebPages and not directly with your router.

    /simple-port-forwarding-alternatives
  12. 12

    Free open source tool to perform TCP based session relay

    /komodia-relay-alternatives
  13. 15

    Fiddler is a debugging program for websites.

    /fiddler-alternatives
  14. 13

    TheCodingMonkeys, authors of software like SubEthaEdit.

    /port-map-alternatives
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