Keyfrog monitors keyboard and visualizes its usage statistics. User can obtain detailed information about keyboard activity. This may be very useful, for example, to software developers to monitor their productivity.
Procinfo is a package to allow you to get useful information from /proc. /proc is the kernel filesystem. This is a place you can go to acquire information from your running kernel. This version fixes compatibility problems with Linux kernels 2.1.41 and above.
traffic-vis is a suite of tools to help determine which hosts have been communicating on an IP network, with whom they have been communicating and the volume of communication taking place on a host by host basis. Reports can be generated in ASCII and/or HTML format. traffic-vis can also generate Postscript(tm) and GIF charts showing which hosts have communicated with each other.
ftpcheck scans hosts and networks for FTP and anonymous FTP archives. It was written as a security analysis tool. ftpcheck is very fast. It can effectively scan a class C network in less than 5 seconds. It does this by starting a new process for each connection.