Firewall & network monitors

LuLu

objective-see.org

Get LuLu

A free, open-source Mac firewall that blocks unknown outgoing connections.

Fing Desktop

fing.com

Get Fing Desktop

See every device on your Wi-Fi, in seconds, from your Mac.

Free, open-source network protocol analyzer for deep traffic inspection

Little Snitch shows where your Mac connects and lets you allow or deny it.

Tiny Shield

tinyshield.proxyman.com

Get Tiny Shield

See which apps connect to the internet, and block the ones you don't trust.

ESET Cyber Security

eset.com

Get ESET Cyber Security

Expert-led, AI-powered protection for your digital life on Mac.

TapMap

tip.no

Get TapMap

See where your computer connects across the internet, in real time.

Toggle-ready network security for businesses, deployed in minutes.

The easiest Mac firewall & network monitor for blocking apps from phoning home

Tracexy

rockxy.io

Get Tracexy

A native, session-first Wireshark alternative for macOS

Little Snitch: a Mac app for monitoring and alerting on network connections.