Little Snitch
See and control every network connection.
About Little Snitch
Little Snitch alerts you when apps phone home, lets you allow or deny each connection and maps where your data travels.
Install Little Snitch
Download it from the links above, or install it from the Terminal:
brew install --cask little-snitch Questions about Little Snitch
How much does Little Snitch cost?
Little Snitch is paid software, bought up front from obdev.at.
Where can I download Little Snitch for Mac?
Download Little Snitch from the developer's website (obdev.at). MacWorthy links only to official sources.
Can I install Little Snitch from the Terminal?
Yes. With Homebrew, run brew install --cask little-snitch.
What are good alternatives to Little Snitch?
Other security & privacy apps for Mac worth a look are LuLu (open source), OverSight (open source), KnockKnock (open source) and Secretive (open source).
Other security & privacy apps like Little Snitch
LuLu
The free, open-source outbound firewall.
OverSight
Know when your mic and camera turn on.
KnockKnock
See what's persistently installed.
Secretive
SSH keys that never leave the Secure Enclave.
Strongbox
KeePass and Password Safe, made native.
Tailscale
A private network for all your devices.