I am not sure if it would even be possible, but Wireshark would be a great app to have.
New: MBox Viewer (Mar 22, 2026), Platform 30.3 (Mar 29, 2026)
1,400+ portable packages, 1.2 billion downloads
Our costs have risen a bunch. Please donate if you can!
Wireshark hosts their own Portable apped version here:
https://www.wireshark.org/download.html