The best Network Analyzer alternative to Wireshark is tcpdump, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Wireshark and many of them are Network Analyzers so hopefully you can find a suitable replacement. Other interesting Network Analyzer alternatives to Wireshark are CloudShark, Intercepter-NG, NetworkMiner and Ettercap.
tcpdump is a common packet analyzer that runs under the command line. It allows the user to intercept and display TCP/IP and other packets being transmitted or received over a network to which the computer is attached.
Most users think tcpdump is a great Wireshark alternative.
Optimize packet capture workflow with CloudShark's secure, collaborative network analysis. It's ideal for IT teams and operators, available on any device. Share and solve problems faster with browser-based collaboration and centralized PCAP data management on-premise or in the cloud.
Intercepter-NG is a multifunctional network toolkit for various types of IT specialists.
NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows. NetworkMiner can parse PCAP files and regenerate/reassemble transmitted files and certificates from PCAP files with HTTP, FTP, SMB, SMB2, TFTP and several other protocols.
Ettercap is a suite for man in the middle attacks on LAN. It features sniffing of live connections, content filtering on the fly and many other interesting tricks.
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.
Capsa performs real-time packet capturing, 24/7 network monitoring, protocol analysis, in-depth packet decoding, and automatic expert diagnosis.
MicroOLAP TCPDUMP is a clone of tcpdump , the most used network sniffer/analyzer for UNIX, compiled with the original tcpdump code (http://www.tcpdump.org/), and MicroOLAP Packet Sniffer SDK.
HttpCanary is a powerful HTTP/HTTPS/HTTP2/WebSocket/TCP/UDP packets capture and analyzer app designed for Android platform.
The Network Diagnostic Tool (NDT) is a client/server program that provides network configuration and performance testing to a users desktop or laptop computer. The system is composed of a client program (command line or java applet) and a pair of server programs (a webserver...
Native Cocoa app for capturing and analyzing packets. Similar to Wireshark, but with a native interface (and less features). If you don't like the X11 GTK Wireshark, this is your app.
United States
Sweden
EU
Italy
United Kingdom
Ukraine
It's open source and use CLI