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TCPView vs TapMap: catalog facts
TCPView	TapMap
Free Free to download and use. The software is closed source.	Free The open-source application is available without a license fee.
Windows	macOS, Linux
It lists every endpoint with the owning process, remote address and state, and lets you close a connection…	Makes background network chatter immediately visible Real-time map view rather than a log to read
It is closed-source Microsoft freeware with no history or alerting; it shows the current picture only.	Locations are approximate GeoIP lookups, not precise It only observes; it cannot block anything
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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