Comment by nghiatran_uit

I've worked on the new Alternative to Wireshark - TCPViewer https://tcpviewer.proxyman.com/

Native macOS app, and build on top of Wireshark Libs, so you can see packet details like Wireshark, and it's much easier to use.

Open Source and License under GPL-2.0 at https://github.com/ProxymanApp/TCPViewer