OpenSnitch is a GNU/Linux port of the Little Snitch firewall
Daemon to ban hosts that cause multiple authentication errors
Take back control of your email with this mail server in a box
CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.
Anti Spam SMTP Gateway
Generació regles IPTables per Continents o Països
Add rule to windows firewall to block inbound and outbound traffic
Internet IP/CIDR Tables Blockator
Tool to ping hosts through firewalls blocking ICMP
Program to block League of Legends contacts.
Network Pivoting Toolkit
track log files, block intrusions, and much more
High interaction honeypot solution for Linux based systems
[UPDATE 28-10-2015] FINAL MULTIPLINK SSH LIFETIME v2.0 UP-5 "FAREWELL"
A web interface for various penetration testing tools
Sync arbitrary directories (within firewall) with Dropbox, (Python)
a secure, open source OS for use inside USEagency facilities
Firewall/Proxy FreeBSD
The client to the openport project
Managing OpenBSD's Packet Filter with Python