There are many alternatives to tcpflow for Mac if you are looking for a replacement. The best Mac alternative is Wireshark, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to tcpflow and ten of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to tcpflow are tcpdump, TCP Viewer, netcat and Impacket.
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.
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Command-line packet analyzer for monitoring, capturing, and filtering network traffic in real time. Supports TCP/IP protocols, pcap file export, BPF syntax, timestamped outputs, and works on UNIX-like systems with both wired and wireless interfaces.
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.
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Netcat is a featured networking utility which reads and writes data across network connections, using the TCP/IP protocol. It is designed to be a reliable "back-end" tool that can be used directly or easily driven by other programs and scripts.
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Impacket is a collection of Python classes for working with network protocols. Impacket is focused on providing low-level programmatic access to the packets and for some protocols (e.g. SMB1-3 and MSRPC) the protocol implementation itself.
Discover and capture container network traffic from your comfy desktop Wireshark, using a containerized service and a Wireshark plugin.
Capture network traffic, trace each packet back to the app that sent it, and read HTTPS, HTTP/2 and HTTP/3 in plain text. No account, no subscription — your traces stay on your Mac.
TUI tool for generating packets of arbitrary input and monitoring packets on any network interfaces (default: eth0). The list of interfaces to be specified is output when packemon --interfaces is run. This tool works on Windows, macOS, and Linux.
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If you're debugging on a remote machine with a large pcap and no desire to scp it back to your desktop, termshark can help!
