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LiveTcpUdpWatch vs Netiquette: catalog facts
LiveTcpUdpWatch	Netiquette
Free Freeware from NirSoft that may be redistributed free of charge.	Free Free download from Objective-See.
Windows	macOS, Command line
Captures UDP activity with process information, without a sniffer Shows bytes, packets and timings per connection	Connections grouped by the process that made them Shows ports, protocol, state and bytes transferred
Requires administrator rights on Windows Vista and later Windows only	macOS only, 10.15 or later Monitors connections but does not block them
Downloadable app	Downloadable app
Closed source	Closed source
License: Freeware	License not stated
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.