Next Generation Open Source Firewall
An engine to make Tor network your default gateway
RazWall Firewall
HTTP proxy to block ads and customize webpages
SKUDONET Open Source Load Balancer and Web Application Firewall
Anti Spam SMTP Gateway
A network security analysis and monitoring toolkit Linux distribution.
Network Load Balancer and Application Security
Linux firewall distribution geared towards home and SOHO users.
pfck - pf check - organizes flow information by host
IOSec Addons are enhancements for web security and crawler detection
Firewall/Proxy FreeBSD
Easy to use firewall for linux beginners.