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Netiquette vs Sniffnet: catalog facts
Netiquette	Sniffnet
Free Free download from Objective-See.	Free Free and open source under the Apache 2.0 licence, funded by sponsorship.
macOS, Command line	Windows, macOS, Linux
Connections grouped by the process that made them Shows ports, protocol, state and bytes transferred	Readable charts and per-host statistics rather than a packet list Exports to PCAP so Wireshark can take over for the detail
macOS only, 10.15 or later Monitors connections but does not block them	Needs packet capture drivers installed, such as Npcap on Windows Not a substitute for Wireshark when you need packet-level detail
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 21, 2026

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