Zeek is a powerful network analysis framework
SKUDONET Open Source Load Balancer and Web Application Firewall
Antivirus eCAP adapter for Squid 3.1 and above.
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
Blocking and monitoring of network traffic based on geography.
IDS + IPS for RouterOS (mikrotik)
Easy to use tool to block unwanted network access.