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TCPView vs RustNet: catalog facts
TCPView	RustNet
Free Free to download and use. The software is closed source.	Free The software is free under its open-source licence. Hosting, hardware and external…
Windows	Windows, macOS, Linux, Android, Command line
It lists every endpoint with the owning process, remote address and state, and lets you close a connection…	It shows TCP, UDP and QUIC connections with the owning process and detected protocol, sandboxed by default and…
It is closed-source Microsoft freeware with no history or alerting; it shows the current picture only.	It is a young project, and deep packet inspection still needs elevated capture permissions.
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
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.