Little Snitch

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Little Snitch 3

Little Snitch Application icon
Little Snitch 3
LittleSnitch-3.3.dmg Download21.8 MB

Mac OS X 10.9 Mavericks
Mac OS X 10.8 Mountain Lion
Mac OS X 10.7 Lion
Mac OS X 10.6.8 Snow Leopard

If you want to run Little Snitch on Mac OS X 10.4 or Mac OS X 10.5, please download Little Snitch 2 instead.

Nightly Builds

Nightly builds are pre-release versions of Little Snitch including the latest bug fixes and feature enhancements.

Little Snitch Nightly Build
LittleSnitch-3.3.1-nightly-(4086).dmg Download21.9 MB
Change Log
Build 4086
  • Little Snitch Network Monitor now respects the “Reopen windows when logging back in” option.
  • Fixed display of protocols in Little Snitch Monitor Inspector.
  • Minor improvements and bugfixes.
Build 4084
  • Improved support for certain VPN connections.
  • Improved window positioning of Little Snitch Monitor.
  • Fixed a rare kernel panic.
Build 4080
  • Little Snitch Network Monitor respects “Reopen windows when logging back in” option now.
  • Fixed issues causing Little Snitch Network Monitor not to appear in multiple screen environments.
  • Fixed VPN related kernel panic.
  • Fixed Little Snitch Installer bug.
  • Minor improvements and bugfixes.
Build 4071
  • Improved Little Snitch Configuration sidebar: Added explanatory texts.
  • Improved handling and displaying of iOS applications running in iOS Simulator.
  • Improved handling of profile names.
  • Fixed a rare kernel panic.
  • Minor bugfixes and improvements.
Build 4057
  • Fixed an issue with OS X 10.6 and 10.7 from the previous nightly build (4055).
Build 4055
  • Improved dealing with large amount of silent mode suggestions.
  • Installer detects Little Snitch Configuration in locations other than /Application and performs update accordingly.
  • Little Snitch Network Monitor Inspector performance improvements.
  • Fixed an issue which caused Little Snitch Network Monitor to disappear when dragged on another screen on OS X 10.9.
  • Fixed an issue where Little Snitch Agent appeared to have crashed.
  • Fixed an OS X 10.6 related drawing bug in Little Snitch Configuration sidebar.
  • Fixed a rare kernel panic.

Upgrade Policy

Customers who bought Little Snitch 2 after May 1, 2012 qualify for a free upgrade. All other Little Snitch 2 license owners are eligible for a price-reduced upgrade.

Legacy Versions

Older Versions of Little Snitch can be downloaded here.