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