passlogd is a purpose-built sniffer for capturing syslog messages in transit. This allows for backup logging to be performed on a machine with no open ports.
animplot is a simple command based visualization
tool for plotting and drawing. Resulting images
can be dumped out as PNG format files. It is
similar to xplot, but supports real-time drawing
A tool for securing DNS communications between a client and a DNS resolver.
A polyhedral extraction tool (PET).