SmartSniff Alternatives

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

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

Application Monitoring and Observability platform for distributed applications and microservices.

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

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

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

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

Debookee is the simplest & most powerful network traffic analyzer for macOS.

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

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

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

Ethereal® is used by network professionals around the world for troubleshooting, analysis...

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

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.