Popular Mac Software
Firewall Builder
Free to tryVIEW →Configure and manage firewall on your Mac.
Little Snitch
Free to tryVIEW →Detect apps that establish outgoing Internet connections.
Private Eye
FreeVIEW →Monitors all incoming and outgoing network connections from your Mac.
Murus Lite
FreeVIEW →Protect your Mac with a firewall.
TCPBlock
FreeVIEW →Prevent apps on your Mac from opening connections to the network.
WaterRoof
FreeVIEW →OS X IPFW firewall front-end with bandwidth management, NAT setup, logs, etc.
NoobProof
FreeVIEW →Basic firewall configuration tool.
DoorStop X Firewall
Free to tryVIEW →Provide firewall with full logging capabilities.
Hands Off!
Free to tryVIEW →Monitor your computer and protect your privacy.
Radio Silence
Free to tryVIEW →Block specific apps from accessing the Internet.
EasyVPN
Free to tryVIEW →Enables the standards-based VPN server built into Mac OS X.
Portscanner
PurchaseVIEW →port scanner
NetMine
Free to tryVIEW →Two-way firewall with real-time network monitoring.
Who's There? Firewall Advisor
PurchaseVIEW →view, analyze, react to firewall data
VPN Tracker 365
Free to tryVIEW →Transfer data safely between Macs and remote networks.
IceFloor
FreeVIEW →Firewall front-end with bandwidth management, NAT setup, and logs.
DoorStop X Security Suite
PurchaseVIEW →comprehensive way to secure your Mac
AbruStop Privacy Protection
PurchaseVIEW →Monitor connections to the Internet.