KnockKnock
See what's persistently installed.
About KnockKnock
KnockKnock lists launch agents, extensions and login items so you can spot software that starts itself.
Install KnockKnock
Download it from the links above, or install it from the Terminal:
brew install --cask knockknock Questions about KnockKnock
Is KnockKnock free?
Yes. KnockKnock is free and open source under the GPL-3.0 license. The source code is on GitHub at objective-see/KnockKnock.
Where can I download KnockKnock for Mac?
Download KnockKnock from the developer's website (objective-see.org) and GitHub. MacWorthy links only to official sources.
Can I install KnockKnock from the Terminal?
Yes. With Homebrew, run brew install --cask knockknock.
What are good alternatives to KnockKnock?
Other security & privacy apps for Mac worth a look are LuLu (open source), OverSight (open source), Secretive (open source) and Little Snitch (one-time purchase).
Other security & privacy apps like KnockKnock
LuLu
The free, open-source outbound firewall.
OverSight
Know when your mic and camera turn on.
Secretive
SSH keys that never leave the Secure Enclave.
Little Snitch
See and control every network connection.
Strongbox
KeePass and Password Safe, made native.
Tailscale
A private network for all your devices.