Network Load Balancer and Application Security
Quality of service module for Apache httpd
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
repair corrupted pcap and pcapng files
Automatically updates and applies certificate revocation lists
Snare Enterprise: bit.ly/Snare-Trial
Apache 2.4.x security, block known bad IP
Open Source PKI solutions
Open Source SIEM
IPsec / IKEv2-based VPN software for Linux.
Linux firewall distribution geared towards home and SOHO users.
Authentication, Access Control, and Single Sign-On
Free-SA is report generating tool for web, proxy and mail log files
Django Live OS for building webapps using Django and MongoDB.