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NetiquetteRustNet
Free

Free download from Objective-See.

 Free

The software is free under its open-source licence. Hosting, hardware and external…

macOS, Command line Windows, macOS, Linux, Android, Command line
  • Connections grouped by the process that made them
  • Shows ports, protocol, state and bytes transferred
  • It shows TCP, UDP and QUIC connections with the owning process and detected protocol, sandboxed by default and…
  • macOS only, 10.15 or later
  • Monitors connections but does not block them
  • 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
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 1, 2026

Checked September 22, 2026

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