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TCPView vs Netiquette: catalog facts
TCPView	Netiquette
Free Free to download and use. The software is closed source.	Free Free download from Objective-See.
Windows	macOS, Command line
It lists every endpoint with the owning process, remote address and state, and lets you close a connection…	Connections grouped by the process that made them Shows ports, protocol, state and bytes transferred
It is closed-source Microsoft freeware with no history or alerting; it shows the current picture only.	macOS only, 10.15 or later Monitors connections but does not block them
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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