tcpdump is described as 'Command-line packet analyzer for monitoring, capturing, and filtering network traffic. Supports real-time capture, pcap file export, protocol analysis, and BPF syntax' and is a popular network analyzer in the network & admin category. There are more than 25 alternatives to tcpdump for a variety of platforms, including Windows, Linux, Mac, Android and Docker apps. The best tcpdump alternative is Wireshark, which is both free and Open Source. Other great apps like tcpdump are NetworkMiner, Sysdig, Termshark and MicroOLAP TCPDUMP.
Wireshark is a premier network protocol analyzer used globally in industries and education, offering multi-platform support, deep protocol inspection, powerful display filters, and VoIP analysis. It allows both live capture and offline analysis, supporting various networks and protocols.
United States
NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows. NetworkMiner can extract transmitted files and certificates from PCAP files containing HTTP, FTP, SMB, SMB2, TFTP and several other protocols.
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Sysdig is open source, system-level exploration: capture system state and activity from a running Linux instance, then save, filter and analyze. Think of it as strace + tcpdump + lsof + awesome sauce.
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.
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Real-time macOS network tool captures, displays, and filters TCP traffic using AppKit, libpcap, and Wireshark libraries, supports PCAP/PCAPNG files, offers protocol filters, drag-and-drop, noise reduction, detailed packet review, export options, and grouped traffic analysis.
United States
Capsa performs real-time packet capturing, 24/7 network monitoring, protocol analysis, in-depth packet decoding, and automatic expert diagnosis.
justniffer is a TCP sniffer. It reassembles and reorders packets and displays the tcp flow in a customizable way. It can log network traffic in web server log format. It can also log network services performances and extract http content.
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.
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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.
SmartSniff is a packet sniffer that capture TCP/IP packets and display them as sequence of conversations between clients and servers. You can view the TCP/IP conversations in Ascii mode (for text-based protocols, like HTTP, SMTP, POP3 and FTP) or as hex dump (for non-text base...
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