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Little SnitchMurus
Paid

A one-time purchase is required after the demo period.

 Freemium

Offered in three versions at different levels; see the website for current prices.

macOS macOS
  • Per-application outbound rules with a clear prompt at the moment of connection
  • Network monitor shows exactly which process is talking to where
  • Uses the PF firewall already built into macOS
  • Port knocking, adaptive firewall and NAT
  • One-time paid licence, macOS only
  • The initial flood of prompts takes patience to train
  • macOS only
  • Works at the network layer; per-app control needs the separate Vallum app
Downloadable app Downloadable app
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Works offline

Checked September 22, 2026

Checked October 2, 2026

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