OWASP Coraza WAF is a golang modsecurity compatible firewall library
Manage port forwardings via UPnP
A java PCAP and DPI library
Bypass your ISP's firewalls and connect to the internet!
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
Jateway is a general purpose TCP/IP connection proxy
Sonicwall Configuration File Reader
Lomalarga is a VPN-like service based on SSH and Linux.