Mac Apps for Firewall
Safeguard your network and secure your Internet traffic with firewall software. Monitor data flow, set access rules for applications, control incoming and outgoing Internet traffic, and block untrusted sources from entering your local network with these top digital barriers.
Firewall Builder
Free to try

Little Snitch
Free to try

Private Eye
Free

Murus Lite
Free

TCPBlock
Free

WaterRoof
Free

NoobProof
Free

DoorStop X Firewall
Free to try

Hands Off!
Free to try
Radio Silence
Free to try