Apps similar to Packet Peeper include Wireshark, which is free and open source. Other options are PCAPdroid, babyshark, Edgeshark and SmartSniff. You can choose from more than 10 Network Analyzers like Packet Peeper for Windows, Mac, Linux, Android and self-hosting.
Packetsdump is a free sniffer tool, it is also a general purpose network diagnostic tool for LAN administrators, security professionals, programmers and students who are interested in network traffic transmitted between PC and the whole LAN.
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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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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.
HttpCanary is a powerful HTTP/HTTPS/HTTP2/WebSocket/TCP/UDP packets capture and analyzer app designed for Android platform.
