NetSleuth AlternativesNetwork Analyzers & Network Monitors like NetSleuth

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.

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.

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.

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...

Pirni Pro is a network security tool designed for iOS, and specifically for iPhone and iPod Touch devices. It is capable of intercepting traffic on a wireless network segment, capturing passwords, and regular expressions entered by the user.

httpry is a tool designed for displaying and logging HTTP traffic. It is not intended to perform analysis itself, but instead to capture, parse and/or log the traffic for later analysis. It can be run in real-time displaying the live traffic on the wire, or as a daemon process...

HttpCanary is a powerful HTTP/HTTPS/HTTP2/WebSocket/TCP/UDP packets capture and analyzer app designed for Android platform.

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!

AirSnare is another tool to add to your Wireless Intrusion Detection Toolbox. AirSnare will alert you to unfriendly MAC addresses on your network and will also alert you to DHCP requests taking place.

Appknox is a mobile app security testing solution to detect and fix vulnerabilities in mobile apps using a combination of automated and manual tests.

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.