Little Snitch Little Snitch is a firewall application that monitors and controls outbound internet traffic. Commercial $ $ $ Mac OS X No features added Add a feature 96 Like
Comodo Firewall Comodo Firewall Pro - Secure your system against internal attacks such as Trojan viruses / malicious software and external attacks by hackers. Safeguard your personal... Free Windows No features added Add a feature 136 Like
TinyWall TinyWall is a free software to harden and control the advanced firewall built into Windows Vista, Windows 7 and Windows 8. TinyWall includes a combination of features... Free Windows No features added Add a feature 40 Like
Gufw Gufw is an easy, intuitive way to manage your Linux firewall. It supports common tasks such as allowing or blocking pre-configured, common p2p, or individual ports... Free Open Source Linux Peer-To-Peer Add a feature 37 Like
Hands Off! Hands Off! is an application to monitor and control the access of applications to your network and disks. Being able to monitor the normally unnoticeable activities... Commercial Mac OS X No features added Add a feature 11 Like
Radio Silence Radio Silence lets you block individual apps from accessing the internet. It never throws pop-ups on the screen, and is completely invisible. Commercial Mac OS X Network Monitoring Add a feature 16 Like
IceFloor IceFloor is the first OS X free graphic frontend for PF. Configure the PF firewall in a few clicks using a very simple interface and a step by step in-app configuration... Free Open Source Mac OS X Outbound firewall Add a feature 7 Like
CacheGuard-OS CacheGuard OS is an Appliance oriented Operating System dedicated to Web traffic Security and Optimization. Free Open Source Windows VirtualBox VMware vSphere Hypervisor Microsoft Hyper-V Server Proxmox Virtual Environment No features added Add a feature 2 Like
TripMode Block internet connection for apps. Commercial Mac OS X Windows Network Monitoring Add a feature 4 Like
Flying Buttress As Apple's built-in Firewall preferences improves in both functionality and security, I will be aiming Flying Buttress more at users who need the advanced firewall... Free Mac OS X No features added Add a feature 0 Like
