BFBTester is good for doing quick, proactive security checks of binary programs. BFBTester will perform checks of single and multiple argument command line overflows and environment variable overflows. It can also watch for tempfile creation activity to alert the user of any programs using unsafe tempfile names.
iogen is an I/O generator. It forks child processes that each run a mix of reads and writes. The idea is to generate heavily fragmented files to make the hardware suffer as much as possible. This tool has been used to test filesystems, drivers, firmware, and hardware devices. It is by no means meant as a performance measuring tool since it tries to recreate the worst case scenario I/O.
Impost is a network security auditing tool designed to analyze the forensics behind compromised and/or vulnerable daemons. There are two different kinds of operating modes; it can either act as a honey pot and take orders from a Perl script controlling how it responds and communicates with connecting clients, or it can operate as a packet sniffer and monitor incoming data to specified destination port supplied by the command-line arguments.
repasa is a set of three kind of tools: For creation of contents directly in the XML format of repasa or in other file formats (DocBook and LaTeX) following some conventions, for checking the contents, and for studying the contents and registering progress. The contents can be specified with definitions, classifications for the definitions (possibly along with exercises), and sequences of study. It is especially well suited to organize information according to the current legislation for education in schools of Colombia.