Compare software

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

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