netcat
Netcat is a featured networking utility which reads and writes data across network connections…
21 Alternatives To netcat
Cocoa Packet Analyzer
Native Cocoa app for capturing and analyzing packets.
Debookee
Debookee is the simplest & most powerful network traffic analyzer for macOS.
Ethereal
Ethereal® is used by network professionals around the world for troubleshooting, analysis…
Ettercap
Ettercap is a suite for man in the middle attacks on LAN.
Fiddler
Fiddler is a debugging program for websites.
Intercepter-NG
Intercepter-NG is a multifunctional network toolkit for various types of IT specialists.
Ixchariot
Instant performance assessment of complex networks from pre- to post-deployment.
JPerf
This project gives a better UI and new functionalities to the initial JPerf 1.
LANBench
LANBench is a simple LAN / TCP Network benchmark utility.
LANGuardian
NetFort LANGuardian is a network visibility solution which uses deep packet inspection to monitor, troubleshoot, and report on user & network activity.
Nethogs
NetHogs is a small ’net top’ tool.
NetworkMiner
NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows.
Nmap
Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.
Packet Peeper
Packet Peeper is a free network protocol analyzer (packet sniffer) for Mac OS X.
Packetyzer
Packetyzer provides a Windows user interface for the Ethereal packet capture and dissection library.
Scapy
Scapy is a powerful interactive packet manipulation program.
Wireshark
Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.
iperf
A TCP, UDP, and SCTP network bandwidth measurement tool
socat
socat is a relay for bidirectional data transfer between two independent data channels.
tcpdump
tcpdump is a common packet analyzer that runs under the command line.
tcpflow
tcpflow, a TCP Flow Recorder, is a program that captures data transmitted as part of TCP…