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Netiquette vs Sloth: catalog facts
Netiquette	Sloth
Free Free download from Objective-See.	Free Free and open source, with optional donations.
macOS, Command line	macOS
Connections grouped by the process that made them Shows ports, protocol, state and bytes transferred	Shows files, sockets, pipes and devices per process Filtering by type, location or regular expression
macOS only, 10.15 or later Monitors connections but does not block them	macOS only Built on lsof, so it shows only what lsof can report
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
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 October 1, 2026

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