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

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