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Sniffnet vs TCPView: catalog facts
Sniffnet	TCPView
Free Free and open source under the Apache 2.0 licence, funded by sponsorship.	Free Free to download and use. The software is closed source.
Windows, macOS, Linux	Windows
Readable charts and per-host statistics rather than a packet list Exports to PCAP so Wireshark can take over for the detail	It lists every endpoint with the owning process, remote address and state, and lets you close a connection…
Needs packet capture drivers installed, such as Npcap on Windows Not a substitute for Wireshark when you need packet-level detail	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: Apache-2.0	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 September 21, 2026	Official website Full listing and sources Checked September 22, 2026

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