Thebridge is an EchoLink-compatible conference bridge that runs under FreeBSD, Linux, QNX, Windows and hopefully most other POSIX-compatible operating systems. EchoLink is a VoIP system used by Ham radio operators.
theWall is a single floppy firewall and NAT box based on PicoBSD/FreeBSD. The primary aim is to allow a small network to share a cable modem or DSL Internet connection. It currently supports static, DHCP, or PPPoE IP address assignment.