Software Alternatives, Accelerators & Startups


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

PortMapper Alternatives

The best PortMapper alternatives based on verified products, community votes, reviews and other factors.
Latest update:

  1. 23

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

  2. 24

    Free open source tool to perform TCP based session relay

  3. Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

    Try for free freemium $9.0 / Monthly (Lite plan)

    Try for free
  4. 16

    Reliable TCP and UDP port forwarding for Windows.

  5. 20

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

  6. 23

    TheCodingMonkeys, authors of software like SubEthaEdit.

  7. 15

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

  8. 19

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

    Open Source

  9. 18

    Portfwd, Port Forwarding Daemon, stands for port forwarding daemon.

  10. 13

    pwncat - netcat on steroids with Firewall, IDS/IPS evasion, bind and reverse shell, self-injecting shell and port forwarding magic - and its fully scriptable with Python (PSE)

  11. 12

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

    Open Source

  12. This tool is created with the primary intention of making it easy to the end user to set forwarding rules in his router....

  13. PortForward's PFConfig Software lets you forward ports on any router for any program.

  14. 10

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

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