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.
Ethereal
Ethereal® is used by network professionals around the world for troubleshooting, analysis…
Intercepter-NG
Intercepter-NG is a multifunctional network toolkit for various types of IT specialists.
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.
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.
Packetyzer
Packetyzer provides a Windows user interface for the Ethereal packet capture and dissection library.
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.