OpenSnitch is a GNU/Linux port of the Little Snitch firewall
Take back control of your email with this mail server in a box
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
Daemon to ban hosts that cause multiple authentication errors
Anti Spam SMTP Gateway
Generació regles IPTables per Continents o Països
Tool to ping hosts through firewalls blocking ICMP
track log files, block intrusions, and much more
High interaction honeypot solution for Linux based systems
A web interface for various penetration testing tools
Sync arbitrary directories (within firewall) with Dropbox, (Python)