A Middlebox Detection Tool
Small tool to receive SSL certificates from databases
Miredo is an open-source implementation of the Teredo: Tunneling IPv6 over UDP through NATs Internet proposed standard (RFC 4380), targetting the Linux kernel and BSD operating systems. The purpose of Teredo IPv6 tunneling is to provide IPv6 connectivity to users behind NAT devices, such as most broadband routers, most of which do not support IPv6.
Top 100 Network Security Tools
Stone is a TCP/IP repeater in the application layer. It repeats TCP and UDP from inside to outside of a firewall, or from outside to inside.