BlockBlock
Asks before anything sets itself to run at startup.
About BlockBlock
BlockBlock watches the places malware uses to stay on a Mac, such as launch agents, login items and background tasks, and asks you to allow or block each new entry. Free and open source, from the makers of LuLu.
Install BlockBlock
Download it from the links above, or install it from the Terminal:
brew install --cask blockblock Questions about BlockBlock
Is BlockBlock free?
Yes. BlockBlock is free and open source under the GPL-3.0 license. The source code is on GitHub at objective-see/BlockBlock.
Where can I download BlockBlock for Mac?
Download BlockBlock from the developer's website (objective-see.org) and GitHub. MacWorthy links only to official sources.
Can I install BlockBlock from the Terminal?
Yes. With Homebrew, run brew install --cask blockblock.
What are good alternatives to BlockBlock?
Other security & privacy apps for Mac worth a look are KnockKnock (open source), LuLu (open source), OverSight (open source) and Secretive (open source).
Other security & privacy apps like BlockBlock
KnockKnock
See what's persistently installed.
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.