Justniffer is described as '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' and is a Network Monitor in the network & admin category. There are more than 10 alternatives to Justniffer for a variety of platforms, including Windows, Linux, Mac, Android and BSD apps. The best Justniffer alternative is Wireshark, which is both free and Open Source. Other great apps like Justniffer are tcpdump, PCAPdroid, Edgeshark and Packet Capture.
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.
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.
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.
Discover and capture container network traffic from your comfy desktop Wireshark, using a containerized service and a Wireshark plugin.
Packet capture/Network traffic sniffer app with SSL decryption. Not that feature rich yet, but it's a powerful debugging tool especially when developing an app.
Appknox is a mobile app security testing solution to detect and fix vulnerabilities in mobile apps using a combination of automated and manual tests.
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.
HttpCanary is a powerful HTTP/HTTPS/HTTP2/WebSocket/TCP/UDP packets capture and analyzer app designed for Android platform.
PlayCap plays back captures made from Wireshark, tcpdump, WinDump, or any libpcap-based application. PlayCap was originally (and still is) a part of IG Scanner by Signal 11 Software, but was spun off as a separate app and released as Open Source software.
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